Home / 91,585.05-137,417.10-49,456.74

Finding the Fourth Proportional to 91,585.05, 137,417.10 and 49,456.74

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Solution

The fourth proportional to 91,585.05, 137,417.10 and 49,456.74 is: 74,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,585.05 : 137,417.10 = 49,456.74 : x
  2. Step 2: Convert to fraction form
    91,585.05/137,417.10 = 49,456.74/x
  3. Step 3: Cross multiply
    91,585.05x = 137,417.10 × 49,456.74
  4. Step 4: Simplify right side
    91,585.05x = 6,796,201,786.25
  5. Step 5: Solve for x
    x = 6,796,201,786.25/91,585.05
  6. Step 6: Final answer
    x = 74,206.45

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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.