Home / 88,029.75-121,479.15-49,784.25

Finding the Fourth Proportional to 88,029.75, 121,479.15 and 49,784.25

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Solution

The fourth proportional to 88,029.75, 121,479.15 and 49,784.25 is: 68,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.75 : 121,479.15 = 49,784.25 : x
  2. Step 2: Convert to fraction form
    88,029.75/121,479.15 = 49,784.25/x
  3. Step 3: Cross multiply
    88,029.75x = 121,479.15 × 49,784.25
  4. Step 4: Simplify right side
    88,029.75x = 6,047,748,373.39
  5. Step 5: Solve for x
    x = 6,047,748,373.39/88,029.75
  6. Step 6: Final answer
    x = 68,701.19

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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.