Home / 63,718.28-87,929.46-35,421.96

Finding the Fourth Proportional to 63,718.28, 87,929.46 and 35,421.96

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Solution

The fourth proportional to 63,718.28, 87,929.46 and 35,421.96 is: 48,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,718.28 : 87,929.46 = 35,421.96 : x
  2. Step 2: Convert to fraction form
    63,718.28/87,929.46 = 35,421.96/x
  3. Step 3: Cross multiply
    63,718.28x = 87,929.46 × 35,421.96
  4. Step 4: Simplify right side
    63,718.28x = 3,114,633,814.94
  5. Step 5: Solve for x
    x = 3,114,633,814.94/63,718.28
  6. Step 6: Final answer
    x = 48,881.32

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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.