Home / 82,784.39-124,090.14-38,374.52

Finding the Fourth Proportional to 82,784.39, 124,090.14 and 38,374.52

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Solution

The fourth proportional to 82,784.39, 124,090.14 and 38,374.52 is: 57,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,784.39 : 124,090.14 = 38,374.52 : x
  2. Step 2: Convert to fraction form
    82,784.39/124,090.14 = 38,374.52/x
  3. Step 3: Cross multiply
    82,784.39x = 124,090.14 × 38,374.52
  4. Step 4: Simplify right side
    82,784.39x = 4,761,899,559.23
  5. Step 5: Solve for x
    x = 4,761,899,559.23/82,784.39
  6. Step 6: Final answer
    x = 57,521.71

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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.