Home / 82,483.47-123,669.66-38,085.75

Finding the Fourth Proportional to 82,483.47, 123,669.66 and 38,085.75

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Solution

The fourth proportional to 82,483.47, 123,669.66 and 38,085.75 is: 57,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,483.47 : 123,669.66 = 38,085.75 : x
  2. Step 2: Convert to fraction form
    82,483.47/123,669.66 = 38,085.75/x
  3. Step 3: Cross multiply
    82,483.47x = 123,669.66 × 38,085.75
  4. Step 4: Simplify right side
    82,483.47x = 4,710,051,753.35
  5. Step 5: Solve for x
    x = 4,710,051,753.35/82,483.47
  6. Step 6: Final answer
    x = 57,102.98

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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.