Home / 112,990.17-155,926.01-62,003.75

Finding the Fourth Proportional to 112,990.17, 155,926.01 and 62,003.75

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Solution

The fourth proportional to 112,990.17, 155,926.01 and 62,003.75 is: 85,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.17 : 155,926.01 = 62,003.75 : x
  2. Step 2: Convert to fraction form
    112,990.17/155,926.01 = 62,003.75/x
  3. Step 3: Cross multiply
    112,990.17x = 155,926.01 × 62,003.75
  4. Step 4: Simplify right side
    112,990.17x = 9,667,996,252.89
  5. Step 5: Solve for x
    x = 9,667,996,252.89/112,990.17
  6. Step 6: Final answer
    x = 85,564.93

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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.