Home / 91,724.46-126,526.13-57,679.05

Finding the Fourth Proportional to 91,724.46, 126,526.13 and 57,679.05

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Solution

The fourth proportional to 91,724.46, 126,526.13 and 57,679.05 is: 79,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724.46 : 126,526.13 = 57,679.05 : x
  2. Step 2: Convert to fraction form
    91,724.46/126,526.13 = 57,679.05/x
  3. Step 3: Cross multiply
    91,724.46x = 126,526.13 × 57,679.05
  4. Step 4: Simplify right side
    91,724.46x = 7,297,906,690.18
  5. Step 5: Solve for x
    x = 7,297,906,690.18/91,724.46
  6. Step 6: Final answer
    x = 79,563.36

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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.