Home / 82,897.07-124,271.74-38,499.62

Finding the Fourth Proportional to 82,897.07, 124,271.74 and 38,499.62

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Solution

The fourth proportional to 82,897.07, 124,271.74 and 38,499.62 is: 57,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.07 : 124,271.74 = 38,499.62 : x
  2. Step 2: Convert to fraction form
    82,897.07/124,271.74 = 38,499.62/x
  3. Step 3: Cross multiply
    82,897.07x = 124,271.74 × 38,499.62
  4. Step 4: Simplify right side
    82,897.07x = 4,784,414,766.74
  5. Step 5: Solve for x
    x = 4,784,414,766.74/82,897.07
  6. Step 6: Final answer
    x = 57,715.13

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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.