Home / 107,860.16-148,856.16-60,123.20

Finding the Fourth Proportional to 107,860.16, 148,856.16 and 60,123.20

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Solution

The fourth proportional to 107,860.16, 148,856.16 and 60,123.20 is: 82,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,860.16 : 148,856.16 = 60,123.20 : x
  2. Step 2: Convert to fraction form
    107,860.16/148,856.16 = 60,123.20/x
  3. Step 3: Cross multiply
    107,860.16x = 148,856.16 × 60,123.20
  4. Step 4: Simplify right side
    107,860.16x = 8,949,708,678.91
  5. Step 5: Solve for x
    x = 8,949,708,678.91/107,860.16
  6. Step 6: Final answer
    x = 82,975.11

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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.