Home / 66,276.14-91,458.32-36,061.58

Finding the Fourth Proportional to 66,276.14, 91,458.32 and 36,061.58

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Solution

The fourth proportional to 66,276.14, 91,458.32 and 36,061.58 is: 49,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.14 : 91,458.32 = 36,061.58 : x
  2. Step 2: Convert to fraction form
    66,276.14/91,458.32 = 36,061.58/x
  3. Step 3: Cross multiply
    66,276.14x = 91,458.32 × 36,061.58
  4. Step 4: Simplify right side
    66,276.14x = 3,298,130,885.75
  5. Step 5: Solve for x
    x = 3,298,130,885.75/66,276.14
  6. Step 6: Final answer
    x = 49,763.48

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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.