Home / 118,095.41-162,959.85-66,407.03

Finding the Fourth Proportional to 118,095.41, 162,959.85 and 66,407.03

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Solution

The fourth proportional to 118,095.41, 162,959.85 and 66,407.03 is: 91,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095.41 : 162,959.85 = 66,407.03 : x
  2. Step 2: Convert to fraction form
    118,095.41/162,959.85 = 66,407.03/x
  3. Step 3: Cross multiply
    118,095.41x = 162,959.85 × 66,407.03
  4. Step 4: Simplify right side
    118,095.41x = 10,821,679,647.75
  5. Step 5: Solve for x
    x = 10,821,679,647.75/118,095.41
  6. Step 6: Final answer
    x = 91,635.06

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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.