Home / 77,585.76-116,217.16-49,366.02

Finding the Fourth Proportional to 77,585.76, 116,217.16 and 49,366.02

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Solution

The fourth proportional to 77,585.76, 116,217.16 and 49,366.02 is: 73,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,585.76 : 116,217.16 = 49,366.02 : x
  2. Step 2: Convert to fraction form
    77,585.76/116,217.16 = 49,366.02/x
  3. Step 3: Cross multiply
    77,585.76x = 116,217.16 × 49,366.02
  4. Step 4: Simplify right side
    77,585.76x = 5,737,178,644.90
  5. Step 5: Solve for x
    x = 5,737,178,644.90/77,585.76
  6. Step 6: Final answer
    x = 73,946.28

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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.