Home / 51,534.16-71,112.36-29,178.16

Finding the Fourth Proportional to 51,534.16, 71,112.36 and 29,178.16

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Solution

The fourth proportional to 51,534.16, 71,112.36 and 29,178.16 is: 40,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.16 : 71,112.36 = 29,178.16 : x
  2. Step 2: Convert to fraction form
    51,534.16/71,112.36 = 29,178.16/x
  3. Step 3: Cross multiply
    51,534.16x = 71,112.36 × 29,178.16
  4. Step 4: Simplify right side
    51,534.16x = 2,074,927,818.06
  5. Step 5: Solve for x
    x = 2,074,927,818.06/51,534.16
  6. Step 6: Final answer
    x = 40,263.15

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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.