Home / 65,860.35-90,864.75-37,176.42

Finding the Fourth Proportional to 65,860.35, 90,864.75 and 37,176.42

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Solution

The fourth proportional to 65,860.35, 90,864.75 and 37,176.42 is: 51,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,860.35 : 90,864.75 = 37,176.42 : x
  2. Step 2: Convert to fraction form
    65,860.35/90,864.75 = 37,176.42/x
  3. Step 3: Cross multiply
    65,860.35x = 90,864.75 × 37,176.42
  4. Step 4: Simplify right side
    65,860.35x = 3,378,026,109.20
  5. Step 5: Solve for x
    x = 3,378,026,109.20/65,860.35
  6. Step 6: Final answer
    x = 51,290.74

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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.