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Finding the Fourth Proportional to 64,374.34, 88,835.25 and 35,302.30

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Solution

The fourth proportional to 64,374.34, 88,835.25 and 35,302.30 is: 48,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,374.34 : 88,835.25 = 35,302.30 : x
  2. Step 2: Convert to fraction form
    64,374.34/88,835.25 = 35,302.30/x
  3. Step 3: Cross multiply
    64,374.34x = 88,835.25 × 35,302.30
  4. Step 4: Simplify right side
    64,374.34x = 3,136,088,646.08
  5. Step 5: Solve for x
    x = 3,136,088,646.08/64,374.34
  6. Step 6: Final answer
    x = 48,716.44

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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.