Home / 104,731.20-144,543.87-59,420.40

Finding the Fourth Proportional to 104,731.20, 144,543.87 and 59,420.40

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Solution

The fourth proportional to 104,731.20, 144,543.87 and 59,420.40 is: 82,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,731.20 : 144,543.87 = 59,420.40 : x
  2. Step 2: Convert to fraction form
    104,731.20/144,543.87 = 59,420.40/x
  3. Step 3: Cross multiply
    104,731.20x = 144,543.87 × 59,420.40
  4. Step 4: Simplify right side
    104,731.20x = 8,588,854,572.95
  5. Step 5: Solve for x
    x = 8,588,854,572.95/104,731.20
  6. Step 6: Final answer
    x = 82,008.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.