Home / 75,221.95-103,792.67-48,358.30

Finding the Fourth Proportional to 75,221.95, 103,792.67 and 48,358.30

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Solution

The fourth proportional to 75,221.95, 103,792.67 and 48,358.30 is: 66,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221.95 : 103,792.67 = 48,358.30 : x
  2. Step 2: Convert to fraction form
    75,221.95/103,792.67 = 48,358.30/x
  3. Step 3: Cross multiply
    75,221.95x = 103,792.67 × 48,358.30
  4. Step 4: Simplify right side
    75,221.95x = 5,019,237,073.66
  5. Step 5: Solve for x
    x = 5,019,237,073.66/75,221.95
  6. Step 6: Final answer
    x = 66,725.70

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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.