Home / 90,723.93-125,199.29-50,438.31

Finding the Fourth Proportional to 90,723.93, 125,199.29 and 50,438.31

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Solution

The fourth proportional to 90,723.93, 125,199.29 and 50,438.31 is: 69,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,723.93 : 125,199.29 = 50,438.31 : x
  2. Step 2: Convert to fraction form
    90,723.93/125,199.29 = 50,438.31/x
  3. Step 3: Cross multiply
    90,723.93x = 125,199.29 × 50,438.31
  4. Step 4: Simplify right side
    90,723.93x = 6,314,840,348.61
  5. Step 5: Solve for x
    x = 6,314,840,348.61/90,723.93
  6. Step 6: Final answer
    x = 69,605.01

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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.