Home / 86,684.18-130,051.17-36,073.35

Finding the Fourth Proportional to 86,684.18, 130,051.17 and 36,073.35

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Solution

The fourth proportional to 86,684.18, 130,051.17 and 36,073.35 is: 54,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,684.18 : 130,051.17 = 36,073.35 : x
  2. Step 2: Convert to fraction form
    86,684.18/130,051.17 = 36,073.35/x
  3. Step 3: Cross multiply
    86,684.18x = 130,051.17 × 36,073.35
  4. Step 4: Simplify right side
    86,684.18x = 4,691,381,373.32
  5. Step 5: Solve for x
    x = 4,691,381,373.32/86,684.18
  6. Step 6: Final answer
    x = 54,120.39

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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.