Home / 61,273.71-91,989.28-47,242.65

Finding the Fourth Proportional to 61,273.71, 91,989.28 and 47,242.65

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Solution

The fourth proportional to 61,273.71, 91,989.28 and 47,242.65 is: 70,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,273.71 : 91,989.28 = 47,242.65 : x
  2. Step 2: Convert to fraction form
    61,273.71/91,989.28 = 47,242.65/x
  3. Step 3: Cross multiply
    61,273.71x = 91,989.28 × 47,242.65
  4. Step 4: Simplify right side
    61,273.71x = 4,345,817,240.69
  5. Step 5: Solve for x
    x = 4,345,817,240.69/61,273.71
  6. Step 6: Final answer
    x = 70,924.66

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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.