Home / 91,280.22-125,966.70-50,994

Finding the Fourth Proportional to 91,280.22, 125,966.70 and 50,994

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Solution

The fourth proportional to 91,280.22, 125,966.70 and 50,994 is: 70,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,280.22 : 125,966.70 = 50,994 : x
  2. Step 2: Convert to fraction form
    91,280.22/125,966.70 = 50,994/x
  3. Step 3: Cross multiply
    91,280.22x = 125,966.70 × 50,994
  4. Step 4: Simplify right side
    91,280.22x = 6,423,545,899.80
  5. Step 5: Solve for x
    x = 6,423,545,899.80/91,280.22
  6. Step 6: Final answer
    x = 70,371.72

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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.