Home / 125,999.12-173,878.75-69,410.48

Finding the Fourth Proportional to 125,999.12, 173,878.75 and 69,410.48

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Solution

The fourth proportional to 125,999.12, 173,878.75 and 69,410.48 is: 95,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,999.12 : 173,878.75 = 69,410.48 : x
  2. Step 2: Convert to fraction form
    125,999.12/173,878.75 = 69,410.48/x
  3. Step 3: Cross multiply
    125,999.12x = 173,878.75 × 69,410.48
  4. Step 4: Simplify right side
    125,999.12x = 12,069,007,499.30
  5. Step 5: Solve for x
    x = 12,069,007,499.30/125,999.12
  6. Step 6: Final answer
    x = 95,786.44

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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.