Home / 62,729.80-86,561.28-37,231.78

Finding the Fourth Proportional to 62,729.80, 86,561.28 and 37,231.78

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Solution

The fourth proportional to 62,729.80, 86,561.28 and 37,231.78 is: 51,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,729.80 : 86,561.28 = 37,231.78 : x
  2. Step 2: Convert to fraction form
    62,729.80/86,561.28 = 37,231.78/x
  3. Step 3: Cross multiply
    62,729.80x = 86,561.28 × 37,231.78
  4. Step 4: Simplify right side
    62,729.80x = 3,222,830,533.48
  5. Step 5: Solve for x
    x = 3,222,830,533.48/62,729.80
  6. Step 6: Final answer
    x = 51,376.39

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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.