Home / 67,400.51-101,116.33-20,014.55

Finding the Fourth Proportional to 67,400.51, 101,116.33 and 20,014.55

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Solution

The fourth proportional to 67,400.51, 101,116.33 and 20,014.55 is: 30,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.51 : 101,116.33 = 20,014.55 : x
  2. Step 2: Convert to fraction form
    67,400.51/101,116.33 = 20,014.55/x
  3. Step 3: Cross multiply
    67,400.51x = 101,116.33 × 20,014.55
  4. Step 4: Simplify right side
    67,400.51x = 2,023,797,842.60
  5. Step 5: Solve for x
    x = 2,023,797,842.60/67,400.51
  6. Step 6: Final answer
    x = 30,026.45

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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.