Home / 107,439.02-148,257.18-62,119.94

Finding the Fourth Proportional to 107,439.02, 148,257.18 and 62,119.94

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Solution

The fourth proportional to 107,439.02, 148,257.18 and 62,119.94 is: 85,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,439.02 : 148,257.18 = 62,119.94 : x
  2. Step 2: Convert to fraction form
    107,439.02/148,257.18 = 62,119.94/x
  3. Step 3: Cross multiply
    107,439.02x = 148,257.18 × 62,119.94
  4. Step 4: Simplify right side
    107,439.02x = 9,209,727,126.17
  5. Step 5: Solve for x
    x = 9,209,727,126.17/107,439.02
  6. Step 6: Final answer
    x = 85,720.51

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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.