Home / 66,453.17-91,705.28-36,238.55

Finding the Fourth Proportional to 66,453.17, 91,705.28 and 36,238.55

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Solution

The fourth proportional to 66,453.17, 91,705.28 and 36,238.55 is: 50,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,453.17 : 91,705.28 = 36,238.55 : x
  2. Step 2: Convert to fraction form
    66,453.17/91,705.28 = 36,238.55/x
  3. Step 3: Cross multiply
    66,453.17x = 91,705.28 × 36,238.55
  4. Step 4: Simplify right side
    66,453.17x = 3,323,265,734.82
  5. Step 5: Solve for x
    x = 3,323,265,734.82/66,453.17
  6. Step 6: Final answer
    x = 50,009.14

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1.5x scale

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.