Home / 65,161.08-97,730.10-18,412.92

Finding the Fourth Proportional to 65,161.08, 97,730.10 and 18,412.92

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Solution

The fourth proportional to 65,161.08, 97,730.10 and 18,412.92 is: 27,616.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,161.08 : 97,730.10 = 18,412.92 : x
  2. Step 2: Convert to fraction form
    65,161.08/97,730.10 = 18,412.92/x
  3. Step 3: Cross multiply
    65,161.08x = 97,730.10 × 18,412.92
  4. Step 4: Simplify right side
    65,161.08x = 1,799,496,512.89
  5. Step 5: Solve for x
    x = 1,799,496,512.89/65,161.08
  6. Step 6: Final answer
    x = 27,616.12

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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.