Home / 86,414.90-129,622.35-24,085.40

Finding the Fourth Proportional to 86,414.90, 129,622.35 and 24,085.40

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Solution

The fourth proportional to 86,414.90, 129,622.35 and 24,085.40 is: 36,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,414.90 : 129,622.35 = 24,085.40 : x
  2. Step 2: Convert to fraction form
    86,414.90/129,622.35 = 24,085.40/x
  3. Step 3: Cross multiply
    86,414.90x = 129,622.35 × 24,085.40
  4. Step 4: Simplify right side
    86,414.90x = 3,122,006,148.69
  5. Step 5: Solve for x
    x = 3,122,006,148.69/86,414.90
  6. Step 6: Final answer
    x = 36,128.10

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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.