Home / 75,084.64-103,587.33-48,223.42

Finding the Fourth Proportional to 75,084.64, 103,587.33 and 48,223.42

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Solution

The fourth proportional to 75,084.64, 103,587.33 and 48,223.42 is: 66,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.64 : 103,587.33 = 48,223.42 : x
  2. Step 2: Convert to fraction form
    75,084.64/103,587.33 = 48,223.42/x
  3. Step 3: Cross multiply
    75,084.64x = 103,587.33 × 48,223.42
  4. Step 4: Simplify right side
    75,084.64x = 4,995,335,321.27
  5. Step 5: Solve for x
    x = 4,995,335,321.27/75,084.64
  6. Step 6: Final answer
    x = 66,529.39

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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.