Home / 64,623.14-89,182-39,134.26

Finding the Fourth Proportional to 64,623.14, 89,182 and 39,134.26

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Solution

The fourth proportional to 64,623.14, 89,182 and 39,134.26 is: 54,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,623.14 : 89,182 = 39,134.26 : x
  2. Step 2: Convert to fraction form
    64,623.14/89,182 = 39,134.26/x
  3. Step 3: Cross multiply
    64,623.14x = 89,182 × 39,134.26
  4. Step 4: Simplify right side
    64,623.14x = 3,490,071,575.32
  5. Step 5: Solve for x
    x = 3,490,071,575.32/64,623.14
  6. Step 6: Final answer
    x = 54,006.53

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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.