Home / 91,085.27-125,664.54-52,823.71

Finding the Fourth Proportional to 91,085.27, 125,664.54 and 52,823.71

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Solution

The fourth proportional to 91,085.27, 125,664.54 and 52,823.71 is: 72,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,085.27 : 125,664.54 = 52,823.71 : x
  2. Step 2: Convert to fraction form
    91,085.27/125,664.54 = 52,823.71/x
  3. Step 3: Cross multiply
    91,085.27x = 125,664.54 × 52,823.71
  4. Step 4: Simplify right side
    91,085.27x = 6,638,067,218.24
  5. Step 5: Solve for x
    x = 6,638,067,218.24/91,085.27
  6. Step 6: Final answer
    x = 72,877.50

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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.