Home / 83,052.85-124,574.81-40,890.90

Finding the Fourth Proportional to 83,052.85, 124,574.81 and 40,890.90

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Solution

The fourth proportional to 83,052.85, 124,574.81 and 40,890.90 is: 61,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,052.85 : 124,574.81 = 40,890.90 : x
  2. Step 2: Convert to fraction form
    83,052.85/124,574.81 = 40,890.90/x
  3. Step 3: Cross multiply
    83,052.85x = 124,574.81 × 40,890.90
  4. Step 4: Simplify right side
    83,052.85x = 5,093,975,582.34
  5. Step 5: Solve for x
    x = 5,093,975,582.34/83,052.85
  6. Step 6: Final answer
    x = 61,334.15

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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.