Home / 66,285.36-91,472.63-36,069.66

Finding the Fourth Proportional to 66,285.36, 91,472.63 and 36,069.66

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Solution

The fourth proportional to 66,285.36, 91,472.63 and 36,069.66 is: 49,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.36 : 91,472.63 = 36,069.66 : x
  2. Step 2: Convert to fraction form
    66,285.36/91,472.63 = 36,069.66/x
  3. Step 3: Cross multiply
    66,285.36x = 91,472.63 × 36,069.66
  4. Step 4: Simplify right side
    66,285.36x = 3,299,386,483.06
  5. Step 5: Solve for x
    x = 3,299,386,483.06/66,285.36
  6. Step 6: Final answer
    x = 49,775.49

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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.