Home / 84,071.04-126,136.32-37,319.68

Finding the Fourth Proportional to 84,071.04, 126,136.32 and 37,319.68

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Solution

The fourth proportional to 84,071.04, 126,136.32 and 37,319.68 is: 55,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071.04 : 126,136.32 = 37,319.68 : x
  2. Step 2: Convert to fraction form
    84,071.04/126,136.32 = 37,319.68/x
  3. Step 3: Cross multiply
    84,071.04x = 126,136.32 × 37,319.68
  4. Step 4: Simplify right side
    84,071.04x = 4,707,367,098.78
  5. Step 5: Solve for x
    x = 4,707,367,098.78/84,071.04
  6. Step 6: Final answer
    x = 55,992.73

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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.