Home / 55,593.06-76,719.36-30,440.94

Finding the Fourth Proportional to 55,593.06, 76,719.36 and 30,440.94

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Solution

The fourth proportional to 55,593.06, 76,719.36 and 30,440.94 is: 42,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.06 : 76,719.36 = 30,440.94 : x
  2. Step 2: Convert to fraction form
    55,593.06/76,719.36 = 30,440.94/x
  3. Step 3: Cross multiply
    55,593.06x = 76,719.36 × 30,440.94
  4. Step 4: Simplify right side
    55,593.06x = 2,335,409,434.60
  5. Step 5: Solve for x
    x = 2,335,409,434.60/55,593.06
  6. Step 6: Final answer
    x = 42,009.01

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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.