Home / 112,990.14-155,925.96-62,003.72

Finding the Fourth Proportional to 112,990.14, 155,925.96 and 62,003.72

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Solution

The fourth proportional to 112,990.14, 155,925.96 and 62,003.72 is: 85,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.14 : 155,925.96 = 62,003.72 : x
  2. Step 2: Convert to fraction form
    112,990.14/155,925.96 = 62,003.72/x
  3. Step 3: Cross multiply
    112,990.14x = 155,925.96 × 62,003.72
  4. Step 4: Simplify right side
    112,990.14x = 9,667,989,058.50
  5. Step 5: Solve for x
    x = 9,667,989,058.50/112,990.14
  6. Step 6: Final answer
    x = 85,564.90

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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.