Home / 55,111.16-76,054.26-29,960.76

Finding the Fourth Proportional to 55,111.16, 76,054.26 and 29,960.76

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Solution

The fourth proportional to 55,111.16, 76,054.26 and 29,960.76 is: 41,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.16 : 76,054.26 = 29,960.76 : x
  2. Step 2: Convert to fraction form
    55,111.16/76,054.26 = 29,960.76/x
  3. Step 3: Cross multiply
    55,111.16x = 76,054.26 × 29,960.76
  4. Step 4: Simplify right side
    55,111.16x = 2,278,643,430.84
  5. Step 5: Solve for x
    x = 2,278,643,430.84/55,111.16
  6. Step 6: Final answer
    x = 41,346.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.