Home / 57,079.56-78,773.94-31,937.16

Finding the Fourth Proportional to 57,079.56, 78,773.94 and 31,937.16

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Solution

The fourth proportional to 57,079.56, 78,773.94 and 31,937.16 is: 44,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.56 : 78,773.94 = 31,937.16 : x
  2. Step 2: Convert to fraction form
    57,079.56/78,773.94 = 31,937.16/x
  3. Step 3: Cross multiply
    57,079.56x = 78,773.94 × 31,937.16
  4. Step 4: Simplify right side
    57,079.56x = 2,515,815,925.61
  5. Step 5: Solve for x
    x = 2,515,815,925.61/57,079.56
  6. Step 6: Final answer
    x = 44,075.60

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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.