Home / 90,355.64-124,678.98-50,067.45

Finding the Fourth Proportional to 90,355.64, 124,678.98 and 50,067.45

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Solution

The fourth proportional to 90,355.64, 124,678.98 and 50,067.45 is: 69,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355.64 : 124,678.98 = 50,067.45 : x
  2. Step 2: Convert to fraction form
    90,355.64/124,678.98 = 50,067.45/x
  3. Step 3: Cross multiply
    90,355.64x = 124,678.98 × 50,067.45
  4. Step 4: Simplify right side
    90,355.64x = 6,242,358,597.20
  5. Step 5: Solve for x
    x = 6,242,358,597.20/90,355.64
  6. Step 6: Final answer
    x = 69,086.54

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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.