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Finding the Fourth Proportional to 64,727.36, 97,086.88 and 38,088

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Solution

The fourth proportional to 64,727.36, 97,086.88 and 38,088 is: 57,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.36 : 97,086.88 = 38,088 : x
  2. Step 2: Convert to fraction form
    64,727.36/97,086.88 = 38,088/x
  3. Step 3: Cross multiply
    64,727.36x = 97,086.88 × 38,088
  4. Step 4: Simplify right side
    64,727.36x = 3,697,845,085.44
  5. Step 5: Solve for x
    x = 3,697,845,085.44/64,727.36
  6. Step 6: Final answer
    x = 57,129.55

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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.