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Finding the Fourth Proportional to 64,977.39, 97,459.50 and 44,051.91

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Solution

The fourth proportional to 64,977.39, 97,459.50 and 44,051.91 is: 66,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.39 : 97,459.50 = 44,051.91 : x
  2. Step 2: Convert to fraction form
    64,977.39/97,459.50 = 44,051.91/x
  3. Step 3: Cross multiply
    64,977.39x = 97,459.50 × 44,051.91
  4. Step 4: Simplify right side
    64,977.39x = 4,293,277,122.65
  5. Step 5: Solve for x
    x = 4,293,277,122.65/64,977.39
  6. Step 6: Final answer
    x = 66,073.40

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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.