Home / 57,064.47-78,759.77-38,234.31

Finding the Fourth Proportional to 57,064.47, 78,759.77 and 38,234.31

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Solution

The fourth proportional to 57,064.47, 78,759.77 and 38,234.31 is: 52,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.47 : 78,759.77 = 38,234.31 : x
  2. Step 2: Convert to fraction form
    57,064.47/78,759.77 = 38,234.31/x
  3. Step 3: Cross multiply
    57,064.47x = 78,759.77 × 38,234.31
  4. Step 4: Simplify right side
    57,064.47x = 3,011,325,461.71
  5. Step 5: Solve for x
    x = 3,011,325,461.71/57,064.47
  6. Step 6: Final answer
    x = 52,770.58

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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.