Home / 125,848.32-188,716-37,070.72

Finding the Fourth Proportional to 125,848.32, 188,716 and 37,070.72

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Solution

The fourth proportional to 125,848.32, 188,716 and 37,070.72 is: 55,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,848.32 : 188,716 = 37,070.72 : x
  2. Step 2: Convert to fraction form
    125,848.32/188,716 = 37,070.72/x
  3. Step 3: Cross multiply
    125,848.32x = 188,716 × 37,070.72
  4. Step 4: Simplify right side
    125,848.32x = 6,995,837,995.52
  5. Step 5: Solve for x
    x = 6,995,837,995.52/125,848.32
  6. Step 6: Final answer
    x = 55,589.44

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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.