Home / 93,512.13-140,475.79-57,999.70

Finding the Fourth Proportional to 93,512.13, 140,475.79 and 57,999.70

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Solution

The fourth proportional to 93,512.13, 140,475.79 and 57,999.70 is: 87,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,512.13 : 140,475.79 = 57,999.70 : x
  2. Step 2: Convert to fraction form
    93,512.13/140,475.79 = 57,999.70/x
  3. Step 3: Cross multiply
    93,512.13x = 140,475.79 × 57,999.70
  4. Step 4: Simplify right side
    93,512.13x = 8,147,553,677.26
  5. Step 5: Solve for x
    x = 8,147,553,677.26/93,512.13
  6. Step 6: Final answer
    x = 87,128.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.