Home / 67,015.59-100,493.85-31,487.00

Finding the Fourth Proportional to 67,015.59, 100,493.85 and 31,487.00

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Solution

The fourth proportional to 67,015.59, 100,493.85 and 31,487.00 is: 47,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.59 : 100,493.85 = 31,487.00 : x
  2. Step 2: Convert to fraction form
    67,015.59/100,493.85 = 31,487.00/x
  3. Step 3: Cross multiply
    67,015.59x = 100,493.85 × 31,487.00
  4. Step 4: Simplify right side
    67,015.59x = 3,164,249,352.48
  5. Step 5: Solve for x
    x = 3,164,249,352.48/67,015.59
  6. Step 6: Final answer
    x = 47,216.62

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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.