Home / 65,463.41-90,338.69-37,167.28

Finding the Fourth Proportional to 65,463.41, 90,338.69 and 37,167.28

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Solution

The fourth proportional to 65,463.41, 90,338.69 and 37,167.28 is: 51,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,463.41 : 90,338.69 = 37,167.28 : x
  2. Step 2: Convert to fraction form
    65,463.41/90,338.69 = 37,167.28/x
  3. Step 3: Cross multiply
    65,463.41x = 90,338.69 × 37,167.28
  4. Step 4: Simplify right side
    65,463.41x = 3,357,643,386.06
  5. Step 5: Solve for x
    x = 3,357,643,386.06/65,463.41
  6. Step 6: Final answer
    x = 51,290.38

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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.