Home / 90,601.18-125,039.60-51,842.53

Finding the Fourth Proportional to 90,601.18, 125,039.60 and 51,842.53

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Solution

The fourth proportional to 90,601.18, 125,039.60 and 51,842.53 is: 71,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.18 : 125,039.60 = 51,842.53 : x
  2. Step 2: Convert to fraction form
    90,601.18/125,039.60 = 51,842.53/x
  3. Step 3: Cross multiply
    90,601.18x = 125,039.60 × 51,842.53
  4. Step 4: Simplify right side
    90,601.18x = 6,482,369,305.68
  5. Step 5: Solve for x
    x = 6,482,369,305.68/90,601.18
  6. Step 6: Final answer
    x = 71,548.40

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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.