Home / 112,524.59-155,298.62-64,779.95

Finding the Fourth Proportional to 112,524.59, 155,298.62 and 64,779.95

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Solution

The fourth proportional to 112,524.59, 155,298.62 and 64,779.95 is: 89,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,524.59 : 155,298.62 = 64,779.95 : x
  2. Step 2: Convert to fraction form
    112,524.59/155,298.62 = 64,779.95/x
  3. Step 3: Cross multiply
    112,524.59x = 155,298.62 × 64,779.95
  4. Step 4: Simplify right side
    112,524.59x = 10,060,236,838.67
  5. Step 5: Solve for x
    x = 10,060,236,838.67/112,524.59
  6. Step 6: Final answer
    x = 89,404.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.