Home / 102,545.32-153,836.70-32,444.20

Finding the Fourth Proportional to 102,545.32, 153,836.70 and 32,444.20

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Solution

The fourth proportional to 102,545.32, 153,836.70 and 32,444.20 is: 48,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545.32 : 153,836.70 = 32,444.20 : x
  2. Step 2: Convert to fraction form
    102,545.32/153,836.70 = 32,444.20/x
  3. Step 3: Cross multiply
    102,545.32x = 153,836.70 × 32,444.20
  4. Step 4: Simplify right side
    102,545.32x = 4,991,108,662.14
  5. Step 5: Solve for x
    x = 4,991,108,662.14/102,545.32
  6. Step 6: Final answer
    x = 48,672.22

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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.