Home / 83,341.32-124,956.40-45,918.96

Finding the Fourth Proportional to 83,341.32, 124,956.40 and 45,918.96

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Solution

The fourth proportional to 83,341.32, 124,956.40 and 45,918.96 is: 68,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,341.32 : 124,956.40 = 45,918.96 : x
  2. Step 2: Convert to fraction form
    83,341.32/124,956.40 = 45,918.96/x
  3. Step 3: Cross multiply
    83,341.32x = 124,956.40 × 45,918.96
  4. Step 4: Simplify right side
    83,341.32x = 5,737,867,933.34
  5. Step 5: Solve for x
    x = 5,737,867,933.34/83,341.32
  6. Step 6: Final answer
    x = 68,847.82

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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.