Home / 101,926.47-140,663.19-56,604.65

Finding the Fourth Proportional to 101,926.47, 140,663.19 and 56,604.65

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Solution

The fourth proportional to 101,926.47, 140,663.19 and 56,604.65 is: 78,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,926.47 : 140,663.19 = 56,604.65 : x
  2. Step 2: Convert to fraction form
    101,926.47/140,663.19 = 56,604.65/x
  3. Step 3: Cross multiply
    101,926.47x = 140,663.19 × 56,604.65
  4. Step 4: Simplify right side
    101,926.47x = 7,962,190,989.49
  5. Step 5: Solve for x
    x = 7,962,190,989.49/101,926.47
  6. Step 6: Final answer
    x = 78,117.01

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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.