Home / 88,017.62-121,464.38-47,731.38

Finding the Fourth Proportional to 88,017.62, 121,464.38 and 47,731.38

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Solution

The fourth proportional to 88,017.62, 121,464.38 and 47,731.38 is: 65,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,017.62 : 121,464.38 = 47,731.38 : x
  2. Step 2: Convert to fraction form
    88,017.62/121,464.38 = 47,731.38/x
  3. Step 3: Cross multiply
    88,017.62x = 121,464.38 × 47,731.38
  4. Step 4: Simplify right side
    88,017.62x = 5,797,662,478.24
  5. Step 5: Solve for x
    x = 5,797,662,478.24/88,017.62
  6. Step 6: Final answer
    x = 65,869.34

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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.