Home / 66,040.31-91,135.63-37,746.61

Finding the Fourth Proportional to 66,040.31, 91,135.63 and 37,746.61

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Solution

The fourth proportional to 66,040.31, 91,135.63 and 37,746.61 is: 52,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,040.31 : 91,135.63 = 37,746.61 : x
  2. Step 2: Convert to fraction form
    66,040.31/91,135.63 = 37,746.61/x
  3. Step 3: Cross multiply
    66,040.31x = 91,135.63 × 37,746.61
  4. Step 4: Simplify right side
    66,040.31x = 3,440,060,902.06
  5. Step 5: Solve for x
    x = 3,440,060,902.06/66,040.31
  6. Step 6: Final answer
    x = 52,090.32

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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.