Home / 71,398.23-98,526.29-39,566.85

Finding the Fourth Proportional to 71,398.23, 98,526.29 and 39,566.85

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Solution

The fourth proportional to 71,398.23, 98,526.29 and 39,566.85 is: 54,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,398.23 : 98,526.29 = 39,566.85 : x
  2. Step 2: Convert to fraction form
    71,398.23/98,526.29 = 39,566.85/x
  3. Step 3: Cross multiply
    71,398.23x = 98,526.29 × 39,566.85
  4. Step 4: Simplify right side
    71,398.23x = 3,898,374,739.65
  5. Step 5: Solve for x
    x = 3,898,374,739.65/71,398.23
  6. Step 6: Final answer
    x = 54,600.44

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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.