Home / 67,415.87-101,091.57-31,847.50

Finding the Fourth Proportional to 67,415.87, 101,091.57 and 31,847.50

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Solution

The fourth proportional to 67,415.87, 101,091.57 and 31,847.50 is: 47,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415.87 : 101,091.57 = 31,847.50 : x
  2. Step 2: Convert to fraction form
    67,415.87/101,091.57 = 31,847.50/x
  3. Step 3: Cross multiply
    67,415.87x = 101,091.57 × 31,847.50
  4. Step 4: Simplify right side
    67,415.87x = 3,219,514,156.40
  5. Step 5: Solve for x
    x = 3,219,514,156.40/67,415.87
  6. Step 6: Final answer
    x = 47,756.03

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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.