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Finding the Fourth Proportional to 64,060.58, 88,401.75 and 35,765.66

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Solution

The fourth proportional to 64,060.58, 88,401.75 and 35,765.66 is: 49,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,060.58 : 88,401.75 = 35,765.66 : x
  2. Step 2: Convert to fraction form
    64,060.58/88,401.75 = 35,765.66/x
  3. Step 3: Cross multiply
    64,060.58x = 88,401.75 × 35,765.66
  4. Step 4: Simplify right side
    64,060.58x = 3,161,746,491.90
  5. Step 5: Solve for x
    x = 3,161,746,491.90/64,060.58
  6. Step 6: Final answer
    x = 49,355.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.