Home / 112,990.56-155,926.54-62,004.15

Finding the Fourth Proportional to 112,990.56, 155,926.54 and 62,004.15

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Solution

The fourth proportional to 112,990.56, 155,926.54 and 62,004.15 is: 85,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.56 : 155,926.54 = 62,004.15 : x
  2. Step 2: Convert to fraction form
    112,990.56/155,926.54 = 62,004.15/x
  3. Step 3: Cross multiply
    112,990.56x = 155,926.54 × 62,004.15
  4. Step 4: Simplify right side
    112,990.56x = 9,668,092,575.14
  5. Step 5: Solve for x
    x = 9,668,092,575.14/112,990.56
  6. Step 6: Final answer
    x = 85,565.49

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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.