Home / 63,431.39-87,452.34-54,574.04

Finding the Fourth Proportional to 63,431.39, 87,452.34 and 54,574.04

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Solution

The fourth proportional to 63,431.39, 87,452.34 and 54,574.04 is: 75,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,431.39 : 87,452.34 = 54,574.04 : x
  2. Step 2: Convert to fraction form
    63,431.39/87,452.34 = 54,574.04/x
  3. Step 3: Cross multiply
    63,431.39x = 87,452.34 × 54,574.04
  4. Step 4: Simplify right side
    63,431.39x = 4,772,627,501.25
  5. Step 5: Solve for x
    x = 4,772,627,501.25/63,431.39
  6. Step 6: Final answer
    x = 75,240.78

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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.