Home / 93,755.78-129,382.20-51,314.22

Finding the Fourth Proportional to 93,755.78, 129,382.20 and 51,314.22

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Solution

The fourth proportional to 93,755.78, 129,382.20 and 51,314.22 is: 70,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,755.78 : 129,382.20 = 51,314.22 : x
  2. Step 2: Convert to fraction form
    93,755.78/129,382.20 = 51,314.22/x
  3. Step 3: Cross multiply
    93,755.78x = 129,382.20 × 51,314.22
  4. Step 4: Simplify right side
    93,755.78x = 6,639,146,674.88
  5. Step 5: Solve for x
    x = 6,639,146,674.88/93,755.78
  6. Step 6: Final answer
    x = 70,813.20

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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.