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Finding the Fourth Proportional to 64,756.87, 97,053.72 and 34,696.56

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Solution

The fourth proportional to 64,756.87, 97,053.72 and 34,696.56 is: 52,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.87 : 97,053.72 = 34,696.56 : x
  2. Step 2: Convert to fraction form
    64,756.87/97,053.72 = 34,696.56/x
  3. Step 3: Cross multiply
    64,756.87x = 97,053.72 × 34,696.56
  4. Step 4: Simplify right side
    64,756.87x = 3,367,429,855.25
  5. Step 5: Solve for x
    x = 3,367,429,855.25/64,756.87
  6. Step 6: Final answer
    x = 52,001.12

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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.