Home / 85,240.31-117,632.44-47,001.23

Finding the Fourth Proportional to 85,240.31, 117,632.44 and 47,001.23

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Solution

The fourth proportional to 85,240.31, 117,632.44 and 47,001.23 is: 64,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.31 : 117,632.44 = 47,001.23 : x
  2. Step 2: Convert to fraction form
    85,240.31/117,632.44 = 47,001.23/x
  3. Step 3: Cross multiply
    85,240.31x = 117,632.44 × 47,001.23
  4. Step 4: Simplify right side
    85,240.31x = 5,528,869,367.90
  5. Step 5: Solve for x
    x = 5,528,869,367.90/85,240.31
  6. Step 6: Final answer
    x = 64,862.15

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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.