Home / 88,152.24-121,649.40-47,865.24

Finding the Fourth Proportional to 88,152.24, 121,649.40 and 47,865.24

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Solution

The fourth proportional to 88,152.24, 121,649.40 and 47,865.24 is: 66,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,152.24 : 121,649.40 = 47,865.24 : x
  2. Step 2: Convert to fraction form
    88,152.24/121,649.40 = 47,865.24/x
  3. Step 3: Cross multiply
    88,152.24x = 121,649.40 × 47,865.24
  4. Step 4: Simplify right side
    88,152.24x = 5,822,777,726.86
  5. Step 5: Solve for x
    x = 5,822,777,726.86/88,152.24
  6. Step 6: Final answer
    x = 66,053.66

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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.