Home / 88,207.57-121,727.02-47,921.32

Finding the Fourth Proportional to 88,207.57, 121,727.02 and 47,921.32

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Solution

The fourth proportional to 88,207.57, 121,727.02 and 47,921.32 is: 66,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,207.57 : 121,727.02 = 47,921.32 : x
  2. Step 2: Convert to fraction form
    88,207.57/121,727.02 = 47,921.32/x
  3. Step 3: Cross multiply
    88,207.57x = 121,727.02 × 47,921.32
  4. Step 4: Simplify right side
    88,207.57x = 5,833,319,467.83
  5. Step 5: Solve for x
    x = 5,833,319,467.83/88,207.57
  6. Step 6: Final answer
    x = 66,131.74

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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.