Home / 71,345.23-98,459.53-39,514.10

Finding the Fourth Proportional to 71,345.23, 98,459.53 and 39,514.10

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Solution

The fourth proportional to 71,345.23, 98,459.53 and 39,514.10 is: 54,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,345.23 : 98,459.53 = 39,514.10 : x
  2. Step 2: Convert to fraction form
    71,345.23/98,459.53 = 39,514.10/x
  3. Step 3: Cross multiply
    71,345.23x = 98,459.53 × 39,514.10
  4. Step 4: Simplify right side
    71,345.23x = 3,890,539,123.29
  5. Step 5: Solve for x
    x = 3,890,539,123.29/71,345.23
  6. Step 6: Final answer
    x = 54,531.18

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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.