Home / 106,471.60-159,680.12-31,574.24

Finding the Fourth Proportional to 106,471.60, 159,680.12 and 31,574.24

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Solution

The fourth proportional to 106,471.60, 159,680.12 and 31,574.24 is: 47,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,471.60 : 159,680.12 = 31,574.24 : x
  2. Step 2: Convert to fraction form
    106,471.60/159,680.12 = 31,574.24/x
  3. Step 3: Cross multiply
    106,471.60x = 159,680.12 × 31,574.24
  4. Step 4: Simplify right side
    106,471.60x = 5,041,778,432.11
  5. Step 5: Solve for x
    x = 5,041,778,432.11/106,471.60
  6. Step 6: Final answer
    x = 47,353.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.