Home / 69,823.08-96,356.52-39,607.38

Finding the Fourth Proportional to 69,823.08, 96,356.52 and 39,607.38

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Solution

The fourth proportional to 69,823.08, 96,356.52 and 39,607.38 is: 54,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,823.08 : 96,356.52 = 39,607.38 : x
  2. Step 2: Convert to fraction form
    69,823.08/96,356.52 = 39,607.38/x
  3. Step 3: Cross multiply
    69,823.08x = 96,356.52 × 39,607.38
  4. Step 4: Simplify right side
    69,823.08x = 3,816,429,303.12
  5. Step 5: Solve for x
    x = 3,816,429,303.12/69,823.08
  6. Step 6: Final answer
    x = 54,658.56

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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.