Home / 69,780.08-96,298.64-39,566.68

Finding the Fourth Proportional to 69,780.08, 96,298.64 and 39,566.68

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Solution

The fourth proportional to 69,780.08, 96,298.64 and 39,566.68 is: 54,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.08 : 96,298.64 = 39,566.68 : x
  2. Step 2: Convert to fraction form
    69,780.08/96,298.64 = 39,566.68/x
  3. Step 3: Cross multiply
    69,780.08x = 96,298.64 × 39,566.68
  4. Step 4: Simplify right side
    69,780.08x = 3,810,217,473.32
  5. Step 5: Solve for x
    x = 3,810,217,473.32/69,780.08
  6. Step 6: Final answer
    x = 54,603.23

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1.5x scale

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.