Home / 96,678.80-133,441.28-66,064.29

Finding the Fourth Proportional to 96,678.80, 133,441.28 and 66,064.29

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Solution

The fourth proportional to 96,678.80, 133,441.28 and 66,064.29 is: 91,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,678.80 : 133,441.28 = 66,064.29 : x
  2. Step 2: Convert to fraction form
    96,678.80/133,441.28 = 66,064.29/x
  3. Step 3: Cross multiply
    96,678.80x = 133,441.28 × 66,064.29
  4. Step 4: Simplify right side
    96,678.80x = 8,815,703,295.82
  5. Step 5: Solve for x
    x = 8,815,703,295.82/96,678.80
  6. Step 6: Final answer
    x = 91,185.48

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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.