Home / 123,926.86-171,012.36-70,210.70

Finding the Fourth Proportional to 123,926.86, 171,012.36 and 70,210.70

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Solution

The fourth proportional to 123,926.86, 171,012.36 and 70,210.70 is: 96,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,926.86 : 171,012.36 = 70,210.70 : x
  2. Step 2: Convert to fraction form
    123,926.86/171,012.36 = 70,210.70/x
  3. Step 3: Cross multiply
    123,926.86x = 171,012.36 × 70,210.70
  4. Step 4: Simplify right side
    123,926.86x = 12,006,897,553.78
  5. Step 5: Solve for x
    x = 12,006,897,553.78/123,926.86
  6. Step 6: Final answer
    x = 96,886.97

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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.