Home / 93,587.40-140,381.10-31,257.90

Finding the Fourth Proportional to 93,587.40, 140,381.10 and 31,257.90

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Solution

The fourth proportional to 93,587.40, 140,381.10 and 31,257.90 is: 46,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,587.40 : 140,381.10 = 31,257.90 : x
  2. Step 2: Convert to fraction form
    93,587.40/140,381.10 = 31,257.90/x
  3. Step 3: Cross multiply
    93,587.40x = 140,381.10 × 31,257.90
  4. Step 4: Simplify right side
    93,587.40x = 4,388,018,385.69
  5. Step 5: Solve for x
    x = 4,388,018,385.69/93,587.40
  6. Step 6: Final answer
    x = 46,886.85

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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.