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Finding the Fourth Proportional to 64,134.92, 88,503.64 and 37,276.16

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Solution

The fourth proportional to 64,134.92, 88,503.64 and 37,276.16 is: 51,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,134.92 : 88,503.64 = 37,276.16 : x
  2. Step 2: Convert to fraction form
    64,134.92/88,503.64 = 37,276.16/x
  3. Step 3: Cross multiply
    64,134.92x = 88,503.64 × 37,276.16
  4. Step 4: Simplify right side
    64,134.92x = 3,299,075,845.22
  5. Step 5: Solve for x
    x = 3,299,075,845.22/64,134.92
  6. Step 6: Final answer
    x = 51,439.62

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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.