Home / 88,988.28-122,803.80-48,702.04

Finding the Fourth Proportional to 88,988.28, 122,803.80 and 48,702.04

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Solution

The fourth proportional to 88,988.28, 122,803.80 and 48,702.04 is: 67,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,988.28 : 122,803.80 = 48,702.04 : x
  2. Step 2: Convert to fraction form
    88,988.28/122,803.80 = 48,702.04/x
  3. Step 3: Cross multiply
    88,988.28x = 122,803.80 × 48,702.04
  4. Step 4: Simplify right side
    88,988.28x = 5,980,795,579.75
  5. Step 5: Solve for x
    x = 5,980,795,579.75/88,988.28
  6. Step 6: Final answer
    x = 67,208.80

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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.