Home / 91,916.53-126,825.14-53,658.72

Finding the Fourth Proportional to 91,916.53, 126,825.14 and 53,658.72

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Solution

The fourth proportional to 91,916.53, 126,825.14 and 53,658.72 is: 74,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,916.53 : 126,825.14 = 53,658.72 : x
  2. Step 2: Convert to fraction form
    91,916.53/126,825.14 = 53,658.72/x
  3. Step 3: Cross multiply
    91,916.53x = 126,825.14 × 53,658.72
  4. Step 4: Simplify right side
    91,916.53x = 6,805,274,676.22
  5. Step 5: Solve for x
    x = 6,805,274,676.22/91,916.53
  6. Step 6: Final answer
    x = 74,037.55

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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.