Home / 86,440.73-129,572.15-33,118.22

Finding the Fourth Proportional to 86,440.73, 129,572.15 and 33,118.22

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Solution

The fourth proportional to 86,440.73, 129,572.15 and 33,118.22 is: 49,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,440.73 : 129,572.15 = 33,118.22 : x
  2. Step 2: Convert to fraction form
    86,440.73/129,572.15 = 33,118.22/x
  3. Step 3: Cross multiply
    86,440.73x = 129,572.15 × 33,118.22
  4. Step 4: Simplify right side
    86,440.73x = 4,291,198,156.12
  5. Step 5: Solve for x
    x = 4,291,198,156.12/86,440.73
  6. Step 6: Final answer
    x = 49,643.25

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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.