Home / 82,944.80-124,280.40-47,823.20

Finding the Fourth Proportional to 82,944.80, 124,280.40 and 47,823.20

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Solution

The fourth proportional to 82,944.80, 124,280.40 and 47,823.20 is: 71,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944.80 : 124,280.40 = 47,823.20 : x
  2. Step 2: Convert to fraction form
    82,944.80/124,280.40 = 47,823.20/x
  3. Step 3: Cross multiply
    82,944.80x = 124,280.40 × 47,823.20
  4. Step 4: Simplify right side
    82,944.80x = 5,943,486,425.28
  5. Step 5: Solve for x
    x = 5,943,486,425.28/82,944.80
  6. Step 6: Final answer
    x = 71,655.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.