Home / 90,609.28-125,036.48-50,325.60

Finding the Fourth Proportional to 90,609.28, 125,036.48 and 50,325.60

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Solution

The fourth proportional to 90,609.28, 125,036.48 and 50,325.60 is: 69,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,609.28 : 125,036.48 = 50,325.60 : x
  2. Step 2: Convert to fraction form
    90,609.28/125,036.48 = 50,325.60/x
  3. Step 3: Cross multiply
    90,609.28x = 125,036.48 × 50,325.60
  4. Step 4: Simplify right side
    90,609.28x = 6,292,535,877.89
  5. Step 5: Solve for x
    x = 6,292,535,877.89/90,609.28
  6. Step 6: Final answer
    x = 69,446.93

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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.