Home / 106,870.60-147,480.78-59,122.92

Finding the Fourth Proportional to 106,870.60, 147,480.78 and 59,122.92

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Solution

The fourth proportional to 106,870.60, 147,480.78 and 59,122.92 is: 81,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,870.60 : 147,480.78 = 59,122.92 : x
  2. Step 2: Convert to fraction form
    106,870.60/147,480.78 = 59,122.92/x
  3. Step 3: Cross multiply
    106,870.60x = 147,480.78 × 59,122.92
  4. Step 4: Simplify right side
    106,870.60x = 8,719,494,357.48
  5. Step 5: Solve for x
    x = 8,719,494,357.48/106,870.60
  6. Step 6: Final answer
    x = 81,589.27

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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.