Home / 67,011.39-100,998.76-57,763.03

Finding the Fourth Proportional to 67,011.39, 100,998.76 and 57,763.03

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Solution

The fourth proportional to 67,011.39, 100,998.76 and 57,763.03 is: 87,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011.39 : 100,998.76 = 57,763.03 : x
  2. Step 2: Convert to fraction form
    67,011.39/100,998.76 = 57,763.03/x
  3. Step 3: Cross multiply
    67,011.39x = 100,998.76 × 57,763.03
  4. Step 4: Simplify right side
    67,011.39x = 5,833,994,403.84
  5. Step 5: Solve for x
    x = 5,833,994,403.84/67,011.39
  6. Step 6: Final answer
    x = 87,059.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.