Home / 88,689.14-122,390.02-48,404.60

Finding the Fourth Proportional to 88,689.14, 122,390.02 and 48,404.60

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Solution

The fourth proportional to 88,689.14, 122,390.02 and 48,404.60 is: 66,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,689.14 : 122,390.02 = 48,404.60 : x
  2. Step 2: Convert to fraction form
    88,689.14/122,390.02 = 48,404.60/x
  3. Step 3: Cross multiply
    88,689.14x = 122,390.02 × 48,404.60
  4. Step 4: Simplify right side
    88,689.14x = 5,924,239,962.09
  5. Step 5: Solve for x
    x = 5,924,239,962.09/88,689.14
  6. Step 6: Final answer
    x = 66,797.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.