Home / 112,959.08-169,389.40-38,065.26

Finding the Fourth Proportional to 112,959.08, 169,389.40 and 38,065.26

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Solution

The fourth proportional to 112,959.08, 169,389.40 and 38,065.26 is: 57,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,959.08 : 169,389.40 = 38,065.26 : x
  2. Step 2: Convert to fraction form
    112,959.08/169,389.40 = 38,065.26/x
  3. Step 3: Cross multiply
    112,959.08x = 169,389.40 × 38,065.26
  4. Step 4: Simplify right side
    112,959.08x = 6,447,851,552.24
  5. Step 5: Solve for x
    x = 6,447,851,552.24/112,959.08
  6. Step 6: Final answer
    x = 57,081.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.