Home / 90,862.62-125,390.40-50,575.51

Finding the Fourth Proportional to 90,862.62, 125,390.40 and 50,575.51

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Solution

The fourth proportional to 90,862.62, 125,390.40 and 50,575.51 is: 69,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862.62 : 125,390.40 = 50,575.51 : x
  2. Step 2: Convert to fraction form
    90,862.62/125,390.40 = 50,575.51/x
  3. Step 3: Cross multiply
    90,862.62x = 125,390.40 × 50,575.51
  4. Step 4: Simplify right side
    90,862.62x = 6,341,683,429.10
  5. Step 5: Solve for x
    x = 6,341,683,429.10/90,862.62
  6. Step 6: Final answer
    x = 69,794.20

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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.