Home / 90,588.74-125,010.05-50,301.45

Finding the Fourth Proportional to 90,588.74, 125,010.05 and 50,301.45

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Solution

The fourth proportional to 90,588.74, 125,010.05 and 50,301.45 is: 69,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588.74 : 125,010.05 = 50,301.45 : x
  2. Step 2: Convert to fraction form
    90,588.74/125,010.05 = 50,301.45/x
  3. Step 3: Cross multiply
    90,588.74x = 125,010.05 × 50,301.45
  4. Step 4: Simplify right side
    90,588.74x = 6,288,186,528.07
  5. Step 5: Solve for x
    x = 6,288,186,528.07/90,588.74
  6. Step 6: Final answer
    x = 69,414.66

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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.