Home / 117,573.90-162,250.52-66,585.20

Finding the Fourth Proportional to 117,573.90, 162,250.52 and 66,585.20

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Solution

The fourth proportional to 117,573.90, 162,250.52 and 66,585.20 is: 91,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,573.90 : 162,250.52 = 66,585.20 : x
  2. Step 2: Convert to fraction form
    117,573.90/162,250.52 = 66,585.20/x
  3. Step 3: Cross multiply
    117,573.90x = 162,250.52 × 66,585.20
  4. Step 4: Simplify right side
    117,573.90x = 10,803,483,324.30
  5. Step 5: Solve for x
    x = 10,803,483,324.30/117,573.90
  6. Step 6: Final answer
    x = 91,886.75

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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.