Home / 82,984.72-124,444.68-38,603.20

Finding the Fourth Proportional to 82,984.72, 124,444.68 and 38,603.20

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Solution

The fourth proportional to 82,984.72, 124,444.68 and 38,603.20 is: 57,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984.72 : 124,444.68 = 38,603.20 : x
  2. Step 2: Convert to fraction form
    82,984.72/124,444.68 = 38,603.20/x
  3. Step 3: Cross multiply
    82,984.72x = 124,444.68 × 38,603.20
  4. Step 4: Simplify right side
    82,984.72x = 4,803,962,870.98
  5. Step 5: Solve for x
    x = 4,803,962,870.98/82,984.72
  6. Step 6: Final answer
    x = 57,889.73

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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.