Home / 75,539.74-113,212.50-31,197.64

Finding the Fourth Proportional to 75,539.74, 113,212.50 and 31,197.64

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Solution

The fourth proportional to 75,539.74, 113,212.50 and 31,197.64 is: 46,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,539.74 : 113,212.50 = 31,197.64 : x
  2. Step 2: Convert to fraction form
    75,539.74/113,212.50 = 31,197.64/x
  3. Step 3: Cross multiply
    75,539.74x = 113,212.50 × 31,197.64
  4. Step 4: Simplify right side
    75,539.74x = 3,531,962,818.50
  5. Step 5: Solve for x
    x = 3,531,962,818.50/75,539.74
  6. Step 6: Final answer
    x = 46,756.35

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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.