Home / 49,406.52-74,109.63-38,178.15

Finding the Fourth Proportional to 49,406.52, 74,109.63 and 38,178.15

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Solution

The fourth proportional to 49,406.52, 74,109.63 and 38,178.15 is: 57,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,406.52 : 74,109.63 = 38,178.15 : x
  2. Step 2: Convert to fraction form
    49,406.52/74,109.63 = 38,178.15/x
  3. Step 3: Cross multiply
    49,406.52x = 74,109.63 × 38,178.15
  4. Step 4: Simplify right side
    49,406.52x = 2,829,368,570.58
  5. Step 5: Solve for x
    x = 2,829,368,570.58/49,406.52
  6. Step 6: Final answer
    x = 57,267.11

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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.