Home / 57,153.80-78,885.36-38,034.41

Finding the Fourth Proportional to 57,153.80, 78,885.36 and 38,034.41

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Solution

The fourth proportional to 57,153.80, 78,885.36 and 38,034.41 is: 52,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.80 : 78,885.36 = 38,034.41 : x
  2. Step 2: Convert to fraction form
    57,153.80/78,885.36 = 38,034.41/x
  3. Step 3: Cross multiply
    57,153.80x = 78,885.36 × 38,034.41
  4. Step 4: Simplify right side
    57,153.80x = 3,000,358,125.24
  5. Step 5: Solve for x
    x = 3,000,358,125.24/57,153.80
  6. Step 6: Final answer
    x = 52,496.21

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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.