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Finding the Fourth Proportional to 64,875.96, 97,323.90 and 27,436.08

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Solution

The fourth proportional to 64,875.96, 97,323.90 and 27,436.08 is: 41,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.96 : 97,323.90 = 27,436.08 : x
  2. Step 2: Convert to fraction form
    64,875.96/97,323.90 = 27,436.08/x
  3. Step 3: Cross multiply
    64,875.96x = 97,323.90 × 27,436.08
  4. Step 4: Simplify right side
    64,875.96x = 2,670,186,306.31
  5. Step 5: Solve for x
    x = 2,670,186,306.31/64,875.96
  6. Step 6: Final answer
    x = 41,158.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.