Home / 65,919.93-90,967.54-37,240.93

Finding the Fourth Proportional to 65,919.93, 90,967.54 and 37,240.93

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Solution

The fourth proportional to 65,919.93, 90,967.54 and 37,240.93 is: 51,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.93 : 90,967.54 = 37,240.93 : x
  2. Step 2: Convert to fraction form
    65,919.93/90,967.54 = 37,240.93/x
  3. Step 3: Cross multiply
    65,919.93x = 90,967.54 × 37,240.93
  4. Step 4: Simplify right side
    65,919.93x = 3,387,715,789.41
  5. Step 5: Solve for x
    x = 3,387,715,789.41/65,919.93
  6. Step 6: Final answer
    x = 51,391.37

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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.