Home / 85,282.29-117,690.02-47,043.18

Finding the Fourth Proportional to 85,282.29, 117,690.02 and 47,043.18

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Solution

The fourth proportional to 85,282.29, 117,690.02 and 47,043.18 is: 64,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282.29 : 117,690.02 = 47,043.18 : x
  2. Step 2: Convert to fraction form
    85,282.29/117,690.02 = 47,043.18/x
  3. Step 3: Cross multiply
    85,282.29x = 117,690.02 × 47,043.18
  4. Step 4: Simplify right side
    85,282.29x = 5,536,512,795.06
  5. Step 5: Solve for x
    x = 5,536,512,795.06/85,282.29
  6. Step 6: Final answer
    x = 64,919.84

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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.