Home / 57,376.68-85,488.32-54,153.71

Finding the Fourth Proportional to 57,376.68, 85,488.32 and 54,153.71

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Solution

The fourth proportional to 57,376.68, 85,488.32 and 54,153.71 is: 80,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,376.68 : 85,488.32 = 54,153.71 : x
  2. Step 2: Convert to fraction form
    57,376.68/85,488.32 = 54,153.71/x
  3. Step 3: Cross multiply
    57,376.68x = 85,488.32 × 54,153.71
  4. Step 4: Simplify right side
    57,376.68x = 4,629,509,689.67
  5. Step 5: Solve for x
    x = 4,629,509,689.67/57,376.68
  6. Step 6: Final answer
    x = 80,686.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.