Home / 67,057.22-100,602.91-31,511.63

Finding the Fourth Proportional to 67,057.22, 100,602.91 and 31,511.63

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Solution

The fourth proportional to 67,057.22, 100,602.91 and 31,511.63 is: 47,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,057.22 : 100,602.91 = 31,511.63 : x
  2. Step 2: Convert to fraction form
    67,057.22/100,602.91 = 31,511.63/x
  3. Step 3: Cross multiply
    67,057.22x = 100,602.91 × 31,511.63
  4. Step 4: Simplify right side
    67,057.22x = 3,170,161,967.74
  5. Step 5: Solve for x
    x = 3,170,161,967.74/67,057.22
  6. Step 6: Final answer
    x = 47,275.48

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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.