Home / 65,278.04-97,841.91-30,143.84

Finding the Fourth Proportional to 65,278.04, 97,841.91 and 30,143.84

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Solution

The fourth proportional to 65,278.04, 97,841.91 and 30,143.84 is: 45,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,278.04 : 97,841.91 = 30,143.84 : x
  2. Step 2: Convert to fraction form
    65,278.04/97,841.91 = 30,143.84/x
  3. Step 3: Cross multiply
    65,278.04x = 97,841.91 × 30,143.84
  4. Step 4: Simplify right side
    65,278.04x = 2,949,330,880.33
  5. Step 5: Solve for x
    x = 2,949,330,880.33/65,278.04
  6. Step 6: Final answer
    x = 45,181.06

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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.