Home / 88,016.09-121,468.90-49,776.39

Finding the Fourth Proportional to 88,016.09, 121,468.90 and 49,776.39

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Solution

The fourth proportional to 88,016.09, 121,468.90 and 49,776.39 is: 68,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.09 : 121,468.90 = 49,776.39 : x
  2. Step 2: Convert to fraction form
    88,016.09/121,468.90 = 49,776.39/x
  3. Step 3: Cross multiply
    88,016.09x = 121,468.90 × 49,776.39
  4. Step 4: Simplify right side
    88,016.09x = 6,046,283,649.79
  5. Step 5: Solve for x
    x = 6,046,283,649.79/88,016.09
  6. Step 6: Final answer
    x = 68,695.21

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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.