Home / 83,197.31-114,796.32-47,386.53

Finding the Fourth Proportional to 83,197.31, 114,796.32 and 47,386.53

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Solution

The fourth proportional to 83,197.31, 114,796.32 and 47,386.53 is: 65,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,197.31 : 114,796.32 = 47,386.53 : x
  2. Step 2: Convert to fraction form
    83,197.31/114,796.32 = 47,386.53/x
  3. Step 3: Cross multiply
    83,197.31x = 114,796.32 × 47,386.53
  4. Step 4: Simplify right side
    83,197.31x = 5,439,799,261.57
  5. Step 5: Solve for x
    x = 5,439,799,261.57/83,197.31
  6. Step 6: Final answer
    x = 65,384.32

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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.