Home / 89,129.39-122,999.53-48,842.29

Finding the Fourth Proportional to 89,129.39, 122,999.53 and 48,842.29

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Solution

The fourth proportional to 89,129.39, 122,999.53 and 48,842.29 is: 67,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,129.39 : 122,999.53 = 48,842.29 : x
  2. Step 2: Convert to fraction form
    89,129.39/122,999.53 = 48,842.29/x
  3. Step 3: Cross multiply
    89,129.39x = 122,999.53 × 48,842.29
  4. Step 4: Simplify right side
    89,129.39x = 6,007,578,396.66
  5. Step 5: Solve for x
    x = 6,007,578,396.66/89,129.39
  6. Step 6: Final answer
    x = 67,402.89

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1.5x scale

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.