Home / 80,526.35-120,792.06-38,411.01

Finding the Fourth Proportional to 80,526.35, 120,792.06 and 38,411.01

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Solution

The fourth proportional to 80,526.35, 120,792.06 and 38,411.01 is: 57,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.35 : 120,792.06 = 38,411.01 : x
  2. Step 2: Convert to fraction form
    80,526.35/120,792.06 = 38,411.01/x
  3. Step 3: Cross multiply
    80,526.35x = 120,792.06 × 38,411.01
  4. Step 4: Simplify right side
    80,526.35x = 4,639,745,024.58
  5. Step 5: Solve for x
    x = 4,639,745,024.58/80,526.35
  6. Step 6: Final answer
    x = 57,617.72

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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.