Home / 83,089.94-124,652.63-38,089.58

Finding the Fourth Proportional to 83,089.94, 124,652.63 and 38,089.58

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Solution

The fourth proportional to 83,089.94, 124,652.63 and 38,089.58 is: 57,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,089.94 : 124,652.63 = 38,089.58 : x
  2. Step 2: Convert to fraction form
    83,089.94/124,652.63 = 38,089.58/x
  3. Step 3: Cross multiply
    83,089.94x = 124,652.63 × 38,089.58
  4. Step 4: Simplify right side
    83,089.94x = 4,747,966,729.45
  5. Step 5: Solve for x
    x = 4,747,966,729.45/83,089.94
  6. Step 6: Final answer
    x = 57,142.50

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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.