Home / 123,549.06-170,496.18-66,959.22

Finding the Fourth Proportional to 123,549.06, 170,496.18 and 66,959.22

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Solution

The fourth proportional to 123,549.06, 170,496.18 and 66,959.22 is: 92,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549.06 : 170,496.18 = 66,959.22 : x
  2. Step 2: Convert to fraction form
    123,549.06/170,496.18 = 66,959.22/x
  3. Step 3: Cross multiply
    123,549.06x = 170,496.18 × 66,959.22
  4. Step 4: Simplify right side
    123,549.06x = 11,416,291,225.78
  5. Step 5: Solve for x
    x = 11,416,291,225.78/123,549.06
  6. Step 6: Final answer
    x = 92,402.90

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1.5x scale

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.