Home / 53,902.90-81,000.15-47,487.70

Finding the Fourth Proportional to 53,902.90, 81,000.15 and 47,487.70

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Solution

The fourth proportional to 53,902.90, 81,000.15 and 47,487.70 is: 71,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902.90 : 81,000.15 = 47,487.70 : x
  2. Step 2: Convert to fraction form
    53,902.90/81,000.15 = 47,487.70/x
  3. Step 3: Cross multiply
    53,902.90x = 81,000.15 × 47,487.70
  4. Step 4: Simplify right side
    53,902.90x = 3,846,510,823.16
  5. Step 5: Solve for x
    x = 3,846,510,823.16/53,902.90
  6. Step 6: Final answer
    x = 71,360.00

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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.