Home / 78,472.04-117,742.82-44,736.81

Finding the Fourth Proportional to 78,472.04, 117,742.82 and 44,736.81

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Solution

The fourth proportional to 78,472.04, 117,742.82 and 44,736.81 is: 67,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,472.04 : 117,742.82 = 44,736.81 : x
  2. Step 2: Convert to fraction form
    78,472.04/117,742.82 = 44,736.81/x
  3. Step 3: Cross multiply
    78,472.04x = 117,742.82 × 44,736.81
  4. Step 4: Simplify right side
    78,472.04x = 5,267,437,943.52
  5. Step 5: Solve for x
    x = 5,267,437,943.52/78,472.04
  6. Step 6: Final answer
    x = 67,125.03

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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.