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Finding the Fourth Proportional to 58,246.80, 87,370.20 and 54,966.30

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Solution

The fourth proportional to 58,246.80, 87,370.20 and 54,966.30 is: 82,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,246.80 : 87,370.20 = 54,966.30 : x
  2. Step 2: Convert to fraction form
    58,246.80/87,370.20 = 54,966.30/x
  3. Step 3: Cross multiply
    58,246.80x = 87,370.20 × 54,966.30
  4. Step 4: Simplify right side
    58,246.80x = 4,802,416,624.26
  5. Step 5: Solve for x
    x = 4,802,416,624.26/58,246.80
  6. Step 6: Final answer
    x = 82,449.45

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1.5x scale

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.