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Finding the Fourth Proportional to 64,138.02, 88,503.60 and 37,274.91

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Solution

The fourth proportional to 64,138.02, 88,503.60 and 37,274.91 is: 51,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.02 : 88,503.60 = 37,274.91 : x
  2. Step 2: Convert to fraction form
    64,138.02/88,503.60 = 37,274.91/x
  3. Step 3: Cross multiply
    64,138.02x = 88,503.60 × 37,274.91
  4. Step 4: Simplify right side
    64,138.02x = 3,298,963,724.68
  5. Step 5: Solve for x
    x = 3,298,963,724.68/64,138.02
  6. Step 6: Final answer
    x = 51,435.38

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1.5x scale

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.