Home / 86,277.35-129,306.98-38,841.93

Finding the Fourth Proportional to 86,277.35, 129,306.98 and 38,841.93

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Solution

The fourth proportional to 86,277.35, 129,306.98 and 38,841.93 is: 58,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,277.35 : 129,306.98 = 38,841.93 : x
  2. Step 2: Convert to fraction form
    86,277.35/129,306.98 = 38,841.93/x
  3. Step 3: Cross multiply
    86,277.35x = 129,306.98 × 38,841.93
  4. Step 4: Simplify right side
    86,277.35x = 5,022,532,762.78
  5. Step 5: Solve for x
    x = 5,022,532,762.78/86,277.35
  6. Step 6: Final answer
    x = 58,213.80

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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.