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Finding the Fourth Proportional to 64,368.41, 88,832.05 and 36,075.92

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Solution

The fourth proportional to 64,368.41, 88,832.05 and 36,075.92 is: 49,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368.41 : 88,832.05 = 36,075.92 : x
  2. Step 2: Convert to fraction form
    64,368.41/88,832.05 = 36,075.92/x
  3. Step 3: Cross multiply
    64,368.41x = 88,832.05 × 36,075.92
  4. Step 4: Simplify right side
    64,368.41x = 3,204,697,929.24
  5. Step 5: Solve for x
    x = 3,204,697,929.24/64,368.41
  6. Step 6: Final answer
    x = 49,786.81

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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.