Home / 88,205.02-121,723.78-47,919.10

Finding the Fourth Proportional to 88,205.02, 121,723.78 and 47,919.10

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Solution

The fourth proportional to 88,205.02, 121,723.78 and 47,919.10 is: 66,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,205.02 : 121,723.78 = 47,919.10 : x
  2. Step 2: Convert to fraction form
    88,205.02/121,723.78 = 47,919.10/x
  3. Step 3: Cross multiply
    88,205.02x = 121,723.78 × 47,919.10
  4. Step 4: Simplify right side
    88,205.02x = 5,832,893,986.20
  5. Step 5: Solve for x
    x = 5,832,893,986.20/88,205.02
  6. Step 6: Final answer
    x = 66,128.82

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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.