Home / 87,791.51-131,700.93-28,613.45

Finding the Fourth Proportional to 87,791.51, 131,700.93 and 28,613.45

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Solution

The fourth proportional to 87,791.51, 131,700.93 and 28,613.45 is: 42,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791.51 : 131,700.93 = 28,613.45 : x
  2. Step 2: Convert to fraction form
    87,791.51/131,700.93 = 28,613.45/x
  3. Step 3: Cross multiply
    87,791.51x = 131,700.93 × 28,613.45
  4. Step 4: Simplify right side
    87,791.51x = 3,768,417,975.51
  5. Step 5: Solve for x
    x = 3,768,417,975.51/87,791.51
  6. Step 6: Final answer
    x = 42,924.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.