Home / 123,283.67-170,131.05-66,695.06

Finding the Fourth Proportional to 123,283.67, 170,131.05 and 66,695.06

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Solution

The fourth proportional to 123,283.67, 170,131.05 and 66,695.06 is: 92,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,283.67 : 170,131.05 = 66,695.06 : x
  2. Step 2: Convert to fraction form
    123,283.67/170,131.05 = 66,695.06/x
  3. Step 3: Cross multiply
    123,283.67x = 170,131.05 × 66,695.06
  4. Step 4: Simplify right side
    123,283.67x = 11,346,900,587.61
  5. Step 5: Solve for x
    x = 11,346,900,587.61/123,283.67
  6. Step 6: Final answer
    x = 92,038.96

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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.