Home / 80,756.04-111,569.73-61,702.50

Finding the Fourth Proportional to 80,756.04, 111,569.73 and 61,702.50

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Solution

The fourth proportional to 80,756.04, 111,569.73 and 61,702.50 is: 85,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,756.04 : 111,569.73 = 61,702.50 : x
  2. Step 2: Convert to fraction form
    80,756.04/111,569.73 = 61,702.50/x
  3. Step 3: Cross multiply
    80,756.04x = 111,569.73 × 61,702.50
  4. Step 4: Simplify right side
    80,756.04x = 6,884,131,265.33
  5. Step 5: Solve for x
    x = 6,884,131,265.33/80,756.04
  6. Step 6: Final answer
    x = 85,246.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.