Home / 67,263.51-100,646.13-42,103.08

Finding the Fourth Proportional to 67,263.51, 100,646.13 and 42,103.08

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Solution

The fourth proportional to 67,263.51, 100,646.13 and 42,103.08 is: 62,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,263.51 : 100,646.13 = 42,103.08 : x
  2. Step 2: Convert to fraction form
    67,263.51/100,646.13 = 42,103.08/x
  3. Step 3: Cross multiply
    67,263.51x = 100,646.13 × 42,103.08
  4. Step 4: Simplify right side
    67,263.51x = 4,237,512,063.08
  5. Step 5: Solve for x
    x = 4,237,512,063.08/67,263.51
  6. Step 6: Final answer
    x = 62,998.68

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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.