Home / 67,021.68-92,486.31-38,341.91

Finding the Fourth Proportional to 67,021.68, 92,486.31 and 38,341.91

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Solution

The fourth proportional to 67,021.68, 92,486.31 and 38,341.91 is: 52,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.68 : 92,486.31 = 38,341.91 : x
  2. Step 2: Convert to fraction form
    67,021.68/92,486.31 = 38,341.91/x
  3. Step 3: Cross multiply
    67,021.68x = 92,486.31 × 38,341.91
  4. Step 4: Simplify right side
    67,021.68x = 3,546,101,774.25
  5. Step 5: Solve for x
    x = 3,546,101,774.25/67,021.68
  6. Step 6: Final answer
    x = 52,909.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.