Home / 93,735.90-140,385.15-91,856.70

Finding the Fourth Proportional to 93,735.90, 140,385.15 and 91,856.70

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Solution

The fourth proportional to 93,735.90, 140,385.15 and 91,856.70 is: 137,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,735.90 : 140,385.15 = 91,856.70 : x
  2. Step 2: Convert to fraction form
    93,735.90/140,385.15 = 91,856.70/x
  3. Step 3: Cross multiply
    93,735.90x = 140,385.15 × 91,856.70
  4. Step 4: Simplify right side
    93,735.90x = 12,895,316,608.01
  5. Step 5: Solve for x
    x = 12,895,316,608.01/93,735.90
  6. Step 6: Final answer
    x = 137,570.73

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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.