Home / 86,258.10-129,385.98-22,215.88

Finding the Fourth Proportional to 86,258.10, 129,385.98 and 22,215.88

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Solution

The fourth proportional to 86,258.10, 129,385.98 and 22,215.88 is: 33,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,258.10 : 129,385.98 = 22,215.88 : x
  2. Step 2: Convert to fraction form
    86,258.10/129,385.98 = 22,215.88/x
  3. Step 3: Cross multiply
    86,258.10x = 129,385.98 × 22,215.88
  4. Step 4: Simplify right side
    86,258.10x = 2,874,423,405.36
  5. Step 5: Solve for x
    x = 2,874,423,405.36/86,258.10
  6. Step 6: Final answer
    x = 33,323.52

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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.