Home / 89,455.69-134,064.46-47,326.78

Finding the Fourth Proportional to 89,455.69, 134,064.46 and 47,326.78

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Solution

The fourth proportional to 89,455.69, 134,064.46 and 47,326.78 is: 70,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455.69 : 134,064.46 = 47,326.78 : x
  2. Step 2: Convert to fraction form
    89,455.69/134,064.46 = 47,326.78/x
  3. Step 3: Cross multiply
    89,455.69x = 134,064.46 × 47,326.78
  4. Step 4: Simplify right side
    89,455.69x = 6,344,838,297.28
  5. Step 5: Solve for x
    x = 6,344,838,297.28/89,455.69
  6. Step 6: Final answer
    x = 70,927.17

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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.