Home / 86,135.48-129,204.22-22,955.24

Finding the Fourth Proportional to 86,135.48, 129,204.22 and 22,955.24

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Solution

The fourth proportional to 86,135.48, 129,204.22 and 22,955.24 is: 34,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,135.48 : 129,204.22 = 22,955.24 : x
  2. Step 2: Convert to fraction form
    86,135.48/129,204.22 = 22,955.24/x
  3. Step 3: Cross multiply
    86,135.48x = 129,204.22 × 22,955.24
  4. Step 4: Simplify right side
    86,135.48x = 2,965,913,879.11
  5. Step 5: Solve for x
    x = 2,965,913,879.11/86,135.48
  6. Step 6: Final answer
    x = 34,433.13

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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.