Home / 78,031.03-116,952.99-40,041.22

Finding the Fourth Proportional to 78,031.03, 116,952.99 and 40,041.22

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Solution

The fourth proportional to 78,031.03, 116,952.99 and 40,041.22 is: 60,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,031.03 : 116,952.99 = 40,041.22 : x
  2. Step 2: Convert to fraction form
    78,031.03/116,952.99 = 40,041.22/x
  3. Step 3: Cross multiply
    78,031.03x = 116,952.99 × 40,041.22
  4. Step 4: Simplify right side
    78,031.03x = 4,682,940,402.25
  5. Step 5: Solve for x
    x = 4,682,940,402.25/78,031.03
  6. Step 6: Final answer
    x = 60,013.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.