Home / 123,659.46-170,650.01-69,943.32

Finding the Fourth Proportional to 123,659.46, 170,650.01 and 69,943.32

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Solution

The fourth proportional to 123,659.46, 170,650.01 and 69,943.32 is: 96,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,659.46 : 170,650.01 = 69,943.32 : x
  2. Step 2: Convert to fraction form
    123,659.46/170,650.01 = 69,943.32/x
  3. Step 3: Cross multiply
    123,659.46x = 170,650.01 × 69,943.32
  4. Step 4: Simplify right side
    123,659.46x = 11,935,828,432.29
  5. Step 5: Solve for x
    x = 11,935,828,432.29/123,659.46
  6. Step 6: Final answer
    x = 96,521.76

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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.