Home / 86,154.57-129,237.98-22,974.34

Finding the Fourth Proportional to 86,154.57, 129,237.98 and 22,974.34

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Solution

The fourth proportional to 86,154.57, 129,237.98 and 22,974.34 is: 34,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,154.57 : 129,237.98 = 22,974.34 : x
  2. Step 2: Convert to fraction form
    86,154.57/129,237.98 = 22,974.34/x
  3. Step 3: Cross multiply
    86,154.57x = 129,237.98 × 22,974.34
  4. Step 4: Simplify right side
    86,154.57x = 2,969,157,590.50
  5. Step 5: Solve for x
    x = 2,969,157,590.50/86,154.57
  6. Step 6: Final answer
    x = 34,463.15

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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.