Home / 83,694.02-115,495.65-47,881.68

Finding the Fourth Proportional to 83,694.02, 115,495.65 and 47,881.68

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Solution

The fourth proportional to 83,694.02, 115,495.65 and 47,881.68 is: 66,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,694.02 : 115,495.65 = 47,881.68 : x
  2. Step 2: Convert to fraction form
    83,694.02/115,495.65 = 47,881.68/x
  3. Step 3: Cross multiply
    83,694.02x = 115,495.65 × 47,881.68
  4. Step 4: Simplify right side
    83,694.02x = 5,530,125,754.69
  5. Step 5: Solve for x
    x = 5,530,125,754.69/83,694.02
  6. Step 6: Final answer
    x = 66,075.52

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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.