Home / 106,911.06-147,539.67-69,250.86

Finding the Fourth Proportional to 106,911.06, 147,539.67 and 69,250.86

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Solution

The fourth proportional to 106,911.06, 147,539.67 and 69,250.86 is: 95,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,911.06 : 147,539.67 = 69,250.86 : x
  2. Step 2: Convert to fraction form
    106,911.06/147,539.67 = 69,250.86/x
  3. Step 3: Cross multiply
    106,911.06x = 147,539.67 × 69,250.86
  4. Step 4: Simplify right side
    106,911.06x = 10,217,249,031.62
  5. Step 5: Solve for x
    x = 10,217,249,031.62/106,911.06
  6. Step 6: Final answer
    x = 95,567.75

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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.