Home / 86,071.43-129,106.88-22,891.49

Finding the Fourth Proportional to 86,071.43, 129,106.88 and 22,891.49

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Solution

The fourth proportional to 86,071.43, 129,106.88 and 22,891.49 is: 34,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,071.43 : 129,106.88 = 22,891.49 : x
  2. Step 2: Convert to fraction form
    86,071.43/129,106.88 = 22,891.49/x
  3. Step 3: Cross multiply
    86,071.43x = 129,106.88 × 22,891.49
  4. Step 4: Simplify right side
    86,071.43x = 2,955,449,060.76
  5. Step 5: Solve for x
    x = 2,955,449,060.76/86,071.43
  6. Step 6: Final answer
    x = 34,337.17

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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.