Home / 67,003.90-92,465.48-38,709.58

Finding the Fourth Proportional to 67,003.90, 92,465.48 and 38,709.58

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Solution

The fourth proportional to 67,003.90, 92,465.48 and 38,709.58 is: 53,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,003.90 : 92,465.48 = 38,709.58 : x
  2. Step 2: Convert to fraction form
    67,003.90/92,465.48 = 38,709.58/x
  3. Step 3: Cross multiply
    67,003.90x = 92,465.48 × 38,709.58
  4. Step 4: Simplify right side
    67,003.90x = 3,579,299,895.30
  5. Step 5: Solve for x
    x = 3,579,299,895.30/67,003.90
  6. Step 6: Final answer
    x = 53,419.28

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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.