Home / 91,239.61-125,904.39-50,401.93

Finding the Fourth Proportional to 91,239.61, 125,904.39 and 50,401.93

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Solution

The fourth proportional to 91,239.61, 125,904.39 and 50,401.93 is: 69,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,239.61 : 125,904.39 = 50,401.93 : x
  2. Step 2: Convert to fraction form
    91,239.61/125,904.39 = 50,401.93/x
  3. Step 3: Cross multiply
    91,239.61x = 125,904.39 × 50,401.93
  4. Step 4: Simplify right side
    91,239.61x = 6,345,824,251.47
  5. Step 5: Solve for x
    x = 6,345,824,251.47/91,239.61
  6. Step 6: Final answer
    x = 69,551.20

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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.