Home / 69,681.12-96,208.56-53,521.44

Finding the Fourth Proportional to 69,681.12, 96,208.56 and 53,521.44

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Solution

The fourth proportional to 69,681.12, 96,208.56 and 53,521.44 is: 73,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,681.12 : 96,208.56 = 53,521.44 : x
  2. Step 2: Convert to fraction form
    69,681.12/96,208.56 = 53,521.44/x
  3. Step 3: Cross multiply
    69,681.12x = 96,208.56 × 53,521.44
  4. Step 4: Simplify right side
    69,681.12x = 5,149,220,671.53
  5. Step 5: Solve for x
    x = 5,149,220,671.53/69,681.12
  6. Step 6: Final answer
    x = 73,896.93

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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.