Home / 86,207.04-129,167.52-30,017.44

Finding the Fourth Proportional to 86,207.04, 129,167.52 and 30,017.44

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Solution

The fourth proportional to 86,207.04, 129,167.52 and 30,017.44 is: 44,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.04 : 129,167.52 = 30,017.44 : x
  2. Step 2: Convert to fraction form
    86,207.04/129,167.52 = 30,017.44/x
  3. Step 3: Cross multiply
    86,207.04x = 129,167.52 × 30,017.44
  4. Step 4: Simplify right side
    86,207.04x = 3,877,278,281.55
  5. Step 5: Solve for x
    x = 3,877,278,281.55/86,207.04
  6. Step 6: Final answer
    x = 44,976.35

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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.