Home / 86,151.24-129,226.50-22,971.24

Finding the Fourth Proportional to 86,151.24, 129,226.50 and 22,971.24

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Solution

The fourth proportional to 86,151.24, 129,226.50 and 22,971.24 is: 34,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,151.24 : 129,226.50 = 22,971.24 : x
  2. Step 2: Convert to fraction form
    86,151.24/129,226.50 = 22,971.24/x
  3. Step 3: Cross multiply
    86,151.24x = 129,226.50 × 22,971.24
  4. Step 4: Simplify right side
    86,151.24x = 2,968,492,945.86
  5. Step 5: Solve for x
    x = 2,968,492,945.86/86,151.24
  6. Step 6: Final answer
    x = 34,456.76

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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.