Home / 88,223.69-121,749.19-47,937.78

Finding the Fourth Proportional to 88,223.69, 121,749.19 and 47,937.78

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Solution

The fourth proportional to 88,223.69, 121,749.19 and 47,937.78 is: 66,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,223.69 : 121,749.19 = 47,937.78 : x
  2. Step 2: Convert to fraction form
    88,223.69/121,749.19 = 47,937.78/x
  3. Step 3: Cross multiply
    88,223.69x = 121,749.19 × 47,937.78
  4. Step 4: Simplify right side
    88,223.69x = 5,836,385,885.40
  5. Step 5: Solve for x
    x = 5,836,385,885.40/88,223.69
  6. Step 6: Final answer
    x = 66,154.41

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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.