Home / 74,948.72-112,400.52-61,768.40

Finding the Fourth Proportional to 74,948.72, 112,400.52 and 61,768.40

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Solution

The fourth proportional to 74,948.72, 112,400.52 and 61,768.40 is: 92,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.72 : 112,400.52 = 61,768.40 : x
  2. Step 2: Convert to fraction form
    74,948.72/112,400.52 = 61,768.40/x
  3. Step 3: Cross multiply
    74,948.72x = 112,400.52 × 61,768.40
  4. Step 4: Simplify right side
    74,948.72x = 6,942,800,279.57
  5. Step 5: Solve for x
    x = 6,942,800,279.57/74,948.72
  6. Step 6: Final answer
    x = 92,634.01

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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.