Home / 84,421.08-126,631.80-58,046.04

Finding the Fourth Proportional to 84,421.08, 126,631.80 and 58,046.04

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Solution

The fourth proportional to 84,421.08, 126,631.80 and 58,046.04 is: 87,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,421.08 : 126,631.80 = 58,046.04 : x
  2. Step 2: Convert to fraction form
    84,421.08/126,631.80 = 58,046.04/x
  3. Step 3: Cross multiply
    84,421.08x = 126,631.80 × 58,046.04
  4. Step 4: Simplify right side
    84,421.08x = 7,350,474,528.07
  5. Step 5: Solve for x
    x = 7,350,474,528.07/84,421.08
  6. Step 6: Final answer
    x = 87,069.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.