Home / 91,258.71-125,936.28-50,422.71

Finding the Fourth Proportional to 91,258.71, 125,936.28 and 50,422.71

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Solution

The fourth proportional to 91,258.71, 125,936.28 and 50,422.71 is: 69,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258.71 : 125,936.28 = 50,422.71 : x
  2. Step 2: Convert to fraction form
    91,258.71/125,936.28 = 50,422.71/x
  3. Step 3: Cross multiply
    91,258.71x = 125,936.28 × 50,422.71
  4. Step 4: Simplify right side
    91,258.71x = 6,350,048,501.17
  5. Step 5: Solve for x
    x = 6,350,048,501.17/91,258.71
  6. Step 6: Final answer
    x = 69,582.93

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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.