Home / 83,385.27-115,075.76-47,582.26

Finding the Fourth Proportional to 83,385.27, 115,075.76 and 47,582.26

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Solution

The fourth proportional to 83,385.27, 115,075.76 and 47,582.26 is: 65,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,385.27 : 115,075.76 = 47,582.26 : x
  2. Step 2: Convert to fraction form
    83,385.27/115,075.76 = 47,582.26/x
  3. Step 3: Cross multiply
    83,385.27x = 115,075.76 × 47,582.26
  4. Step 4: Simplify right side
    83,385.27x = 5,475,564,206.42
  5. Step 5: Solve for x
    x = 5,475,564,206.42/83,385.27
  6. Step 6: Final answer
    x = 65,665.84

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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.