Home / 66,258.61-91,435.94-36,044.16

Finding the Fourth Proportional to 66,258.61, 91,435.94 and 36,044.16

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Solution

The fourth proportional to 66,258.61, 91,435.94 and 36,044.16 is: 49,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,258.61 : 91,435.94 = 36,044.16 : x
  2. Step 2: Convert to fraction form
    66,258.61/91,435.94 = 36,044.16/x
  3. Step 3: Cross multiply
    66,258.61x = 91,435.94 × 36,044.16
  4. Step 4: Simplify right side
    66,258.61x = 3,295,731,263.17
  5. Step 5: Solve for x
    x = 3,295,731,263.17/66,258.61
  6. Step 6: Final answer
    x = 49,740.42

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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.