Home / 66,088.22-91,208.94-39,237.32

Finding the Fourth Proportional to 66,088.22, 91,208.94 and 39,237.32

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Solution

The fourth proportional to 66,088.22, 91,208.94 and 39,237.32 is: 54,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,088.22 : 91,208.94 = 39,237.32 : x
  2. Step 2: Convert to fraction form
    66,088.22/91,208.94 = 39,237.32/x
  3. Step 3: Cross multiply
    66,088.22x = 91,208.94 × 39,237.32
  4. Step 4: Simplify right side
    66,088.22x = 3,578,794,365.64
  5. Step 5: Solve for x
    x = 3,578,794,365.64/66,088.22
  6. Step 6: Final answer
    x = 54,151.77

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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.