Home / 123,543.06-170,484.85-66,953.22

Finding the Fourth Proportional to 123,543.06, 170,484.85 and 66,953.22

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Solution

The fourth proportional to 123,543.06, 170,484.85 and 66,953.22 is: 92,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,543.06 : 170,484.85 = 66,953.22 : x
  2. Step 2: Convert to fraction form
    123,543.06/170,484.85 = 66,953.22/x
  3. Step 3: Cross multiply
    123,543.06x = 170,484.85 × 66,953.22
  4. Step 4: Simplify right side
    123,543.06x = 11,414,509,668.72
  5. Step 5: Solve for x
    x = 11,414,509,668.72/123,543.06
  6. Step 6: Final answer
    x = 92,392.97

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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.