Home / 69,661.45-96,148.11-45,790.36

Finding the Fourth Proportional to 69,661.45, 96,148.11 and 45,790.36

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Solution

The fourth proportional to 69,661.45, 96,148.11 and 45,790.36 is: 63,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.45 : 96,148.11 = 45,790.36 : x
  2. Step 2: Convert to fraction form
    69,661.45/96,148.11 = 45,790.36/x
  3. Step 3: Cross multiply
    69,661.45x = 96,148.11 × 45,790.36
  4. Step 4: Simplify right side
    69,661.45x = 4,402,656,570.22
  5. Step 5: Solve for x
    x = 4,402,656,570.22/69,661.45
  6. Step 6: Final answer
    x = 63,200.76

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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.