Home / 83,459.58-124,444.91-74,186.70

Finding the Fourth Proportional to 83,459.58, 124,444.91 and 74,186.70

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Solution

The fourth proportional to 83,459.58, 124,444.91 and 74,186.70 is: 110,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,459.58 : 124,444.91 = 74,186.70 : x
  2. Step 2: Convert to fraction form
    83,459.58/124,444.91 = 74,186.70/x
  3. Step 3: Cross multiply
    83,459.58x = 124,444.91 × 74,186.70
  4. Step 4: Simplify right side
    83,459.58x = 9,232,156,833.76
  5. Step 5: Solve for x
    x = 9,232,156,833.76/83,459.58
  6. Step 6: Final answer
    x = 110,618.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.