Home / 90,544.78-124,938.48-50,258.85

Finding the Fourth Proportional to 90,544.78, 124,938.48 and 50,258.85

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Solution

The fourth proportional to 90,544.78, 124,938.48 and 50,258.85 is: 69,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,544.78 : 124,938.48 = 50,258.85 : x
  2. Step 2: Convert to fraction form
    90,544.78/124,938.48 = 50,258.85/x
  3. Step 3: Cross multiply
    90,544.78x = 124,938.48 × 50,258.85
  4. Step 4: Simplify right side
    90,544.78x = 6,279,264,325.55
  5. Step 5: Solve for x
    x = 6,279,264,325.55/90,544.78
  6. Step 6: Final answer
    x = 69,349.82

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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.