Home / 91,582.29-137,424.47-49,461.48

Finding the Fourth Proportional to 91,582.29, 137,424.47 and 49,461.48

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Solution

The fourth proportional to 91,582.29, 137,424.47 and 49,461.48 is: 74,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,582.29 : 137,424.47 = 49,461.48 : x
  2. Step 2: Convert to fraction form
    91,582.29/137,424.47 = 49,461.48/x
  3. Step 3: Cross multiply
    91,582.29x = 137,424.47 × 49,461.48
  4. Step 4: Simplify right side
    91,582.29x = 6,797,217,427.11
  5. Step 5: Solve for x
    x = 6,797,217,427.11/91,582.29
  6. Step 6: Final answer
    x = 74,219.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.