Home / 71,376.12-98,499.72-39,545.44

Finding the Fourth Proportional to 71,376.12, 98,499.72 and 39,545.44

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Solution

The fourth proportional to 71,376.12, 98,499.72 and 39,545.44 is: 54,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,376.12 : 98,499.72 = 39,545.44 : x
  2. Step 2: Convert to fraction form
    71,376.12/98,499.72 = 39,545.44/x
  3. Step 3: Cross multiply
    71,376.12x = 98,499.72 × 39,545.44
  4. Step 4: Simplify right side
    71,376.12x = 3,895,214,767.28
  5. Step 5: Solve for x
    x = 3,895,214,767.28/71,376.12
  6. Step 6: Final answer
    x = 54,573.08

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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.