Home / 65,178.10-97,762.29-22,479.36

Finding the Fourth Proportional to 65,178.10, 97,762.29 and 22,479.36

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Solution

The fourth proportional to 65,178.10, 97,762.29 and 22,479.36 is: 33,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,178.10 : 97,762.29 = 22,479.36 : x
  2. Step 2: Convert to fraction form
    65,178.10/97,762.29 = 22,479.36/x
  3. Step 3: Cross multiply
    65,178.10x = 97,762.29 × 22,479.36
  4. Step 4: Simplify right side
    65,178.10x = 2,197,633,711.33
  5. Step 5: Solve for x
    x = 2,197,633,711.33/65,178.10
  6. Step 6: Final answer
    x = 33,717.36

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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.