Home / 64,856.23-89,487.92-39,375.99

Finding the Fourth Proportional to 64,856.23, 89,487.92 and 39,375.99

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Solution

The fourth proportional to 64,856.23, 89,487.92 and 39,375.99 is: 54,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.23 : 89,487.92 = 39,375.99 : x
  2. Step 2: Convert to fraction form
    64,856.23/89,487.92 = 39,375.99/x
  3. Step 3: Cross multiply
    64,856.23x = 89,487.92 × 39,375.99
  4. Step 4: Simplify right side
    64,856.23x = 3,523,675,541.48
  5. Step 5: Solve for x
    x = 3,523,675,541.48/64,856.23
  6. Step 6: Final answer
    x = 54,330.57

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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.