Home / 69,370.40-95,733.07-42,137.28

Finding the Fourth Proportional to 69,370.40, 95,733.07 and 42,137.28

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Solution

The fourth proportional to 69,370.40, 95,733.07 and 42,137.28 is: 58,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370.40 : 95,733.07 = 42,137.28 : x
  2. Step 2: Convert to fraction form
    69,370.40/95,733.07 = 42,137.28/x
  3. Step 3: Cross multiply
    69,370.40x = 95,733.07 × 42,137.28
  4. Step 4: Simplify right side
    69,370.40x = 4,033,931,070.51
  5. Step 5: Solve for x
    x = 4,033,931,070.51/69,370.40
  6. Step 6: Final answer
    x = 58,150.61

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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.