Home / 64,738.72-97,080.40-27,315.52

Finding the Fourth Proportional to 64,738.72, 97,080.40 and 27,315.52

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Solution

The fourth proportional to 64,738.72, 97,080.40 and 27,315.52 is: 40,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,738.72 : 97,080.40 = 27,315.52 : x
  2. Step 2: Convert to fraction form
    64,738.72/97,080.40 = 27,315.52/x
  3. Step 3: Cross multiply
    64,738.72x = 97,080.40 × 27,315.52
  4. Step 4: Simplify right side
    64,738.72x = 2,651,801,607.81
  5. Step 5: Solve for x
    x = 2,651,801,607.81/64,738.72
  6. Step 6: Final answer
    x = 40,961.60

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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.