Home / 86,068.08-129,073.10-32,747.40

Finding the Fourth Proportional to 86,068.08, 129,073.10 and 32,747.40

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Solution

The fourth proportional to 86,068.08, 129,073.10 and 32,747.40 is: 49,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068.08 : 129,073.10 = 32,747.40 : x
  2. Step 2: Convert to fraction form
    86,068.08/129,073.10 = 32,747.40/x
  3. Step 3: Cross multiply
    86,068.08x = 129,073.10 × 32,747.40
  4. Step 4: Simplify right side
    86,068.08x = 4,226,808,271.20
  5. Step 5: Solve for x
    x = 4,226,808,271.20/86,068.08
  6. Step 6: Final answer
    x = 49,110.06

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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.