Home / 88,275.96-121,879.02-68,097.72

Finding the Fourth Proportional to 88,275.96, 121,879.02 and 68,097.72

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Solution

The fourth proportional to 88,275.96, 121,879.02 and 68,097.72 is: 94,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.96 : 121,879.02 = 68,097.72 : x
  2. Step 2: Convert to fraction form
    88,275.96/121,879.02 = 68,097.72/x
  3. Step 3: Cross multiply
    88,275.96x = 121,879.02 × 68,097.72
  4. Step 4: Simplify right side
    88,275.96x = 8,299,683,377.83
  5. Step 5: Solve for x
    x = 8,299,683,377.83/88,275.96
  6. Step 6: Final answer
    x = 94,019.75

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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.