Home / 125,830.05-173,638.25-69,241.42

Finding the Fourth Proportional to 125,830.05, 173,638.25 and 69,241.42

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Solution

The fourth proportional to 125,830.05, 173,638.25 and 69,241.42 is: 95,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,830.05 : 173,638.25 = 69,241.42 : x
  2. Step 2: Convert to fraction form
    125,830.05/173,638.25 = 69,241.42/x
  3. Step 3: Cross multiply
    125,830.05x = 173,638.25 × 69,241.42
  4. Step 4: Simplify right side
    125,830.05x = 12,022,958,650.11
  5. Step 5: Solve for x
    x = 12,022,958,650.11/125,830.05
  6. Step 6: Final answer
    x = 95,549.19

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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.