Home / 91,019.10-125,591.13-50,724.06

Finding the Fourth Proportional to 91,019.10, 125,591.13 and 50,724.06

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Solution

The fourth proportional to 91,019.10, 125,591.13 and 50,724.06 is: 69,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,019.10 : 125,591.13 = 50,724.06 : x
  2. Step 2: Convert to fraction form
    91,019.10/125,591.13 = 50,724.06/x
  3. Step 3: Cross multiply
    91,019.10x = 125,591.13 × 50,724.06
  4. Step 4: Simplify right side
    91,019.10x = 6,370,492,013.59
  5. Step 5: Solve for x
    x = 6,370,492,013.59/91,019.10
  6. Step 6: Final answer
    x = 69,990.72

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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.