Home / 101,938.27-140,673.03-56,614.52

Finding the Fourth Proportional to 101,938.27, 140,673.03 and 56,614.52

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Solution

The fourth proportional to 101,938.27, 140,673.03 and 56,614.52 is: 78,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,938.27 : 140,673.03 = 56,614.52 : x
  2. Step 2: Convert to fraction form
    101,938.27/140,673.03 = 56,614.52/x
  3. Step 3: Cross multiply
    101,938.27x = 140,673.03 × 56,614.52
  4. Step 4: Simplify right side
    101,938.27x = 7,964,136,070.40
  5. Step 5: Solve for x
    x = 7,964,136,070.40/101,938.27
  6. Step 6: Final answer
    x = 78,127.05

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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.