Home / 63,131.40-87,497.55-61,950.42

Finding the Fourth Proportional to 63,131.40, 87,497.55 and 61,950.42

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Solution

The fourth proportional to 63,131.40, 87,497.55 and 61,950.42 is: 85,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,131.40 : 87,497.55 = 61,950.42 : x
  2. Step 2: Convert to fraction form
    63,131.40/87,497.55 = 61,950.42/x
  3. Step 3: Cross multiply
    63,131.40x = 87,497.55 × 61,950.42
  4. Step 4: Simplify right side
    63,131.40x = 5,420,509,971.47
  5. Step 5: Solve for x
    x = 5,420,509,971.47/63,131.40
  6. Step 6: Final answer
    x = 85,860.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.