Home / 123,631.83-170,605.17-69,927.66

Finding the Fourth Proportional to 123,631.83, 170,605.17 and 69,927.66

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Solution

The fourth proportional to 123,631.83, 170,605.17 and 69,927.66 is: 96,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,631.83 : 170,605.17 = 69,927.66 : x
  2. Step 2: Convert to fraction form
    123,631.83/170,605.17 = 69,927.66/x
  3. Step 3: Cross multiply
    123,631.83x = 170,605.17 × 69,927.66
  4. Step 4: Simplify right side
    123,631.83x = 11,930,020,322.00
  5. Step 5: Solve for x
    x = 11,930,020,322.00/123,631.83
  6. Step 6: Final answer
    x = 96,496.35

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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.