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Finding the Fourth Proportional to 64,574.82, 96,709.14 and 41,130.18

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Solution

The fourth proportional to 64,574.82, 96,709.14 and 41,130.18 is: 61,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,574.82 : 96,709.14 = 41,130.18 : x
  2. Step 2: Convert to fraction form
    64,574.82/96,709.14 = 41,130.18/x
  3. Step 3: Cross multiply
    64,574.82x = 96,709.14 × 41,130.18
  4. Step 4: Simplify right side
    64,574.82x = 3,977,664,335.85
  5. Step 5: Solve for x
    x = 3,977,664,335.85/64,574.82
  6. Step 6: Final answer
    x = 61,597.76

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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.