Home / 67,263.50-100,646.14-42,103.10

Finding the Fourth Proportional to 67,263.50, 100,646.14 and 42,103.10

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Solution

The fourth proportional to 67,263.50, 100,646.14 and 42,103.10 is: 62,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,263.50 : 100,646.14 = 42,103.10 : x
  2. Step 2: Convert to fraction form
    67,263.50/100,646.14 = 42,103.10/x
  3. Step 3: Cross multiply
    67,263.50x = 100,646.14 × 42,103.10
  4. Step 4: Simplify right side
    67,263.50x = 4,237,514,497.03
  5. Step 5: Solve for x
    x = 4,237,514,497.03/67,263.50
  6. Step 6: Final answer
    x = 62,998.72

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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.