Home / 91,724.04-126,567.90-53,991

Finding the Fourth Proportional to 91,724.04, 126,567.90 and 53,991

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Solution

The fourth proportional to 91,724.04, 126,567.90 and 53,991 is: 74,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724.04 : 126,567.90 = 53,991 : x
  2. Step 2: Convert to fraction form
    91,724.04/126,567.90 = 53,991/x
  3. Step 3: Cross multiply
    91,724.04x = 126,567.90 × 53,991
  4. Step 4: Simplify right side
    91,724.04x = 6,833,527,488.90
  5. Step 5: Solve for x
    x = 6,833,527,488.90/91,724.04
  6. Step 6: Final answer
    x = 74,500.94

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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.