Home / 64,758.42-97,130.61-17,378.28

Finding the Fourth Proportional to 64,758.42, 97,130.61 and 17,378.28

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Solution

The fourth proportional to 64,758.42, 97,130.61 and 17,378.28 is: 26,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.42 : 97,130.61 = 17,378.28 : x
  2. Step 2: Convert to fraction form
    64,758.42/97,130.61 = 17,378.28/x
  3. Step 3: Cross multiply
    64,758.42x = 97,130.61 × 17,378.28
  4. Step 4: Simplify right side
    64,758.42x = 1,687,962,937.15
  5. Step 5: Solve for x
    x = 1,687,962,937.15/64,758.42
  6. Step 6: Final answer
    x = 26,065.54

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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.