Home / 91,725.04-126,569.28-53,992

Finding the Fourth Proportional to 91,725.04, 126,569.28 and 53,992

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Solution

The fourth proportional to 91,725.04, 126,569.28 and 53,992 is: 74,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,725.04 : 126,569.28 = 53,992 : x
  2. Step 2: Convert to fraction form
    91,725.04/126,569.28 = 53,992/x
  3. Step 3: Cross multiply
    91,725.04x = 126,569.28 × 53,992
  4. Step 4: Simplify right side
    91,725.04x = 6,833,728,565.76
  5. Step 5: Solve for x
    x = 6,833,728,565.76/91,725.04
  6. Step 6: Final answer
    x = 74,502.32

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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.