Home / 57,064.97-78,752.01-31,570.92

Finding the Fourth Proportional to 57,064.97, 78,752.01 and 31,570.92

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Solution

The fourth proportional to 57,064.97, 78,752.01 and 31,570.92 is: 43,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.97 : 78,752.01 = 31,570.92 : x
  2. Step 2: Convert to fraction form
    57,064.97/78,752.01 = 31,570.92/x
  3. Step 3: Cross multiply
    57,064.97x = 78,752.01 × 31,570.92
  4. Step 4: Simplify right side
    57,064.97x = 2,486,273,407.55
  5. Step 5: Solve for x
    x = 2,486,273,407.55/57,064.97
  6. Step 6: Final answer
    x = 43,569.17

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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.