Home / 88,561.36-122,213.10-48,275.47

Finding the Fourth Proportional to 88,561.36, 122,213.10 and 48,275.47

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Solution

The fourth proportional to 88,561.36, 122,213.10 and 48,275.47 is: 66,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.36 : 122,213.10 = 48,275.47 : x
  2. Step 2: Convert to fraction form
    88,561.36/122,213.10 = 48,275.47/x
  3. Step 3: Cross multiply
    88,561.36x = 122,213.10 × 48,275.47
  4. Step 4: Simplify right side
    88,561.36x = 5,899,894,842.66
  5. Step 5: Solve for x
    x = 5,899,894,842.66/88,561.36
  6. Step 6: Final answer
    x = 66,619.29

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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.