Home / 69,248.19-103,790.27-31,776.68

Finding the Fourth Proportional to 69,248.19, 103,790.27 and 31,776.68

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Solution

The fourth proportional to 69,248.19, 103,790.27 and 31,776.68 is: 47,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,248.19 : 103,790.27 = 31,776.68 : x
  2. Step 2: Convert to fraction form
    69,248.19/103,790.27 = 31,776.68/x
  3. Step 3: Cross multiply
    69,248.19x = 103,790.27 × 31,776.68
  4. Step 4: Simplify right side
    69,248.19x = 3,298,109,519.07
  5. Step 5: Solve for x
    x = 3,298,109,519.07/69,248.19
  6. Step 6: Final answer
    x = 47,627.38

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1.5x scale

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.