Home / 91,096.13-125,712.88-50,812.50

Finding the Fourth Proportional to 91,096.13, 125,712.88 and 50,812.50

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Solution

The fourth proportional to 91,096.13, 125,712.88 and 50,812.50 is: 70,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,096.13 : 125,712.88 = 50,812.50 : x
  2. Step 2: Convert to fraction form
    91,096.13/125,712.88 = 50,812.50/x
  3. Step 3: Cross multiply
    91,096.13x = 125,712.88 × 50,812.50
  4. Step 4: Simplify right side
    91,096.13x = 6,387,785,352.26
  5. Step 5: Solve for x
    x = 6,387,785,352.26/91,096.13
  6. Step 6: Final answer
    x = 70,121.37

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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.