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Finding the Fourth Proportional to 64,083.60, 88,437.89 and 36,859.64

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Solution

The fourth proportional to 64,083.60, 88,437.89 and 36,859.64 is: 50,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,083.60 : 88,437.89 = 36,859.64 : x
  2. Step 2: Convert to fraction form
    64,083.60/88,437.89 = 36,859.64/x
  3. Step 3: Cross multiply
    64,083.60x = 88,437.89 × 36,859.64
  4. Step 4: Simplify right side
    64,083.60x = 3,259,788,161.27
  5. Step 5: Solve for x
    x = 3,259,788,161.27/64,083.60
  6. Step 6: Final answer
    x = 50,867.74

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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.