Home / 90,841.56-125,360.46-50,554.64

Finding the Fourth Proportional to 90,841.56, 125,360.46 and 50,554.64

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Solution

The fourth proportional to 90,841.56, 125,360.46 and 50,554.64 is: 69,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.56 : 125,360.46 = 50,554.64 : x
  2. Step 2: Convert to fraction form
    90,841.56/125,360.46 = 50,554.64/x
  3. Step 3: Cross multiply
    90,841.56x = 125,360.46 × 50,554.64
  4. Step 4: Simplify right side
    90,841.56x = 6,337,552,925.53
  5. Step 5: Solve for x
    x = 6,337,552,925.53/90,841.56
  6. Step 6: Final answer
    x = 69,764.91

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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.