Home / 64,717.10-89,315.63-37,857.90

Finding the Fourth Proportional to 64,717.10, 89,315.63 and 37,857.90

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Solution

The fourth proportional to 64,717.10, 89,315.63 and 37,857.90 is: 52,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.10 : 89,315.63 = 37,857.90 : x
  2. Step 2: Convert to fraction form
    64,717.10/89,315.63 = 37,857.90/x
  3. Step 3: Cross multiply
    64,717.10x = 89,315.63 × 37,857.90
  4. Step 4: Simplify right side
    64,717.10x = 3,381,302,188.98
  5. Step 5: Solve for x
    x = 3,381,302,188.98/64,717.10
  6. Step 6: Final answer
    x = 52,247.43

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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.