Home / 65,417.05-90,270.38-37,122.74

Finding the Fourth Proportional to 65,417.05, 90,270.38 and 37,122.74

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Solution

The fourth proportional to 65,417.05, 90,270.38 and 37,122.74 is: 51,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,417.05 : 90,270.38 = 37,122.74 : x
  2. Step 2: Convert to fraction form
    65,417.05/90,270.38 = 37,122.74/x
  3. Step 3: Cross multiply
    65,417.05x = 90,270.38 × 37,122.74
  4. Step 4: Simplify right side
    65,417.05x = 3,351,083,846.44
  5. Step 5: Solve for x
    x = 3,351,083,846.44/65,417.05
  6. Step 6: Final answer
    x = 51,226.46

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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.