Home / 66,253.47-91,463.64-51,112.14

Finding the Fourth Proportional to 66,253.47, 91,463.64 and 51,112.14

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Solution

The fourth proportional to 66,253.47, 91,463.64 and 51,112.14 is: 70,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,253.47 : 91,463.64 = 51,112.14 : x
  2. Step 2: Convert to fraction form
    66,253.47/91,463.64 = 51,112.14/x
  3. Step 3: Cross multiply
    66,253.47x = 91,463.64 × 51,112.14
  4. Step 4: Simplify right side
    66,253.47x = 4,674,902,372.59
  5. Step 5: Solve for x
    x = 4,674,902,372.59/66,253.47
  6. Step 6: Final answer
    x = 70,560.87

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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.