Home / 93,748.59-140,642.85-53,785.92

Finding the Fourth Proportional to 93,748.59, 140,642.85 and 53,785.92

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Solution

The fourth proportional to 93,748.59, 140,642.85 and 53,785.92 is: 80,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,748.59 : 140,642.85 = 53,785.92 : x
  2. Step 2: Convert to fraction form
    93,748.59/140,642.85 = 53,785.92/x
  3. Step 3: Cross multiply
    93,748.59x = 140,642.85 × 53,785.92
  4. Step 4: Simplify right side
    93,748.59x = 7,564,605,078.67
  5. Step 5: Solve for x
    x = 7,564,605,078.67/93,748.59
  6. Step 6: Final answer
    x = 80,690.33

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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.