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Finding the Fourth Proportional to 64,321.90, 88,764.48 and 37,482.82

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Solution

The fourth proportional to 64,321.90, 88,764.48 and 37,482.82 is: 51,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,321.90 : 88,764.48 = 37,482.82 : x
  2. Step 2: Convert to fraction form
    64,321.90/88,764.48 = 37,482.82/x
  3. Step 3: Cross multiply
    64,321.90x = 88,764.48 × 37,482.82
  4. Step 4: Simplify right side
    64,321.90x = 3,327,143,026.23
  5. Step 5: Solve for x
    x = 3,327,143,026.23/64,321.90
  6. Step 6: Final answer
    x = 51,726.44

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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.