Home / 93,753.30-129,380.31-51,312.18

Finding the Fourth Proportional to 93,753.30, 129,380.31 and 51,312.18

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Solution

The fourth proportional to 93,753.30, 129,380.31 and 51,312.18 is: 70,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,753.30 : 129,380.31 = 51,312.18 : x
  2. Step 2: Convert to fraction form
    93,753.30/129,380.31 = 51,312.18/x
  3. Step 3: Cross multiply
    93,753.30x = 129,380.31 × 51,312.18
  4. Step 4: Simplify right side
    93,753.30x = 6,638,785,755.18
  5. Step 5: Solve for x
    x = 6,638,785,755.18/93,753.30
  6. Step 6: Final answer
    x = 70,811.22

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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.