Home / 123,341.15-170,211.30-66,752.52

Finding the Fourth Proportional to 123,341.15, 170,211.30 and 66,752.52

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Solution

The fourth proportional to 123,341.15, 170,211.30 and 66,752.52 is: 92,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,341.15 : 170,211.30 = 66,752.52 : x
  2. Step 2: Convert to fraction form
    123,341.15/170,211.30 = 66,752.52/x
  3. Step 3: Cross multiply
    123,341.15x = 170,211.30 × 66,752.52
  4. Step 4: Simplify right side
    123,341.15x = 11,362,033,207.48
  5. Step 5: Solve for x
    x = 11,362,033,207.48/123,341.15
  6. Step 6: Final answer
    x = 92,118.76

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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.