Home / 61,020.80-84,149.54-47,587.16

Finding the Fourth Proportional to 61,020.80, 84,149.54 and 47,587.16

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Solution

The fourth proportional to 61,020.80, 84,149.54 and 47,587.16 is: 65,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,020.80 : 84,149.54 = 47,587.16 : x
  2. Step 2: Convert to fraction form
    61,020.80/84,149.54 = 47,587.16/x
  3. Step 3: Cross multiply
    61,020.80x = 84,149.54 × 47,587.16
  4. Step 4: Simplify right side
    61,020.80x = 4,004,437,623.91
  5. Step 5: Solve for x
    x = 4,004,437,623.91/61,020.80
  6. Step 6: Final answer
    x = 65,624.14

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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.