Home / 86,126.76-118,855.17-47,885.24

Finding the Fourth Proportional to 86,126.76, 118,855.17 and 47,885.24

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Solution

The fourth proportional to 86,126.76, 118,855.17 and 47,885.24 is: 66,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,126.76 : 118,855.17 = 47,885.24 : x
  2. Step 2: Convert to fraction form
    86,126.76/118,855.17 = 47,885.24/x
  3. Step 3: Cross multiply
    86,126.76x = 118,855.17 × 47,885.24
  4. Step 4: Simplify right side
    86,126.76x = 5,691,408,637.83
  5. Step 5: Solve for x
    x = 5,691,408,637.83/86,126.76
  6. Step 6: Final answer
    x = 66,081.77

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1.5x scale

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.