Home / 90,462.40-124,845.77-50,189.13

Finding the Fourth Proportional to 90,462.40, 124,845.77 and 50,189.13

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Solution

The fourth proportional to 90,462.40, 124,845.77 and 50,189.13 is: 69,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.40 : 124,845.77 = 50,189.13 : x
  2. Step 2: Convert to fraction form
    90,462.40/124,845.77 = 50,189.13/x
  3. Step 3: Cross multiply
    90,462.40x = 124,845.77 × 50,189.13
  4. Step 4: Simplify right side
    90,462.40x = 6,265,900,580.48
  5. Step 5: Solve for x
    x = 6,265,900,580.48/90,462.40
  6. Step 6: Final answer
    x = 69,265.25

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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.