Home / 57,175.57-78,929.89-38,087.52

Finding the Fourth Proportional to 57,175.57, 78,929.89 and 38,087.52

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Solution

The fourth proportional to 57,175.57, 78,929.89 and 38,087.52 is: 52,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.57 : 78,929.89 = 38,087.52 : x
  2. Step 2: Convert to fraction form
    57,175.57/78,929.89 = 38,087.52/x
  3. Step 3: Cross multiply
    57,175.57x = 78,929.89 × 38,087.52
  4. Step 4: Simplify right side
    57,175.57x = 3,006,243,587.01
  5. Step 5: Solve for x
    x = 3,006,243,587.01/57,175.57
  6. Step 6: Final answer
    x = 52,579.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.