Home / 101,726.07-140,381.30-56,404.08

Finding the Fourth Proportional to 101,726.07, 140,381.30 and 56,404.08

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Solution

The fourth proportional to 101,726.07, 140,381.30 and 56,404.08 is: 77,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,726.07 : 140,381.30 = 56,404.08 : x
  2. Step 2: Convert to fraction form
    101,726.07/140,381.30 = 56,404.08/x
  3. Step 3: Cross multiply
    101,726.07x = 140,381.30 × 56,404.08
  4. Step 4: Simplify right side
    101,726.07x = 7,918,077,793.68
  5. Step 5: Solve for x
    x = 7,918,077,793.68/101,726.07
  6. Step 6: Final answer
    x = 77,837.25

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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.