Home / 88,148.89-121,648.08-47,865.27

Finding the Fourth Proportional to 88,148.89, 121,648.08 and 47,865.27

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Solution

The fourth proportional to 88,148.89, 121,648.08 and 47,865.27 is: 66,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,148.89 : 121,648.08 = 47,865.27 : x
  2. Step 2: Convert to fraction form
    88,148.89/121,648.08 = 47,865.27/x
  3. Step 3: Cross multiply
    88,148.89x = 121,648.08 × 47,865.27
  4. Step 4: Simplify right side
    88,148.89x = 5,822,718,194.18
  5. Step 5: Solve for x
    x = 5,822,718,194.18/88,148.89
  6. Step 6: Final answer
    x = 66,055.49

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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.