Home / 89,126.94-122,995.30-48,842.18

Finding the Fourth Proportional to 89,126.94, 122,995.30 and 48,842.18

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Solution

The fourth proportional to 89,126.94, 122,995.30 and 48,842.18 is: 67,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.94 : 122,995.30 = 48,842.18 : x
  2. Step 2: Convert to fraction form
    89,126.94/122,995.30 = 48,842.18/x
  3. Step 3: Cross multiply
    89,126.94x = 122,995.30 × 48,842.18
  4. Step 4: Simplify right side
    89,126.94x = 6,007,358,152.16
  5. Step 5: Solve for x
    x = 6,007,358,152.16/89,126.94
  6. Step 6: Final answer
    x = 67,402.27

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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.