Home / 88,619.32-122,319.95-50,399.47

Finding the Fourth Proportional to 88,619.32, 122,319.95 and 50,399.47

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Solution

The fourth proportional to 88,619.32, 122,319.95 and 50,399.47 is: 69,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,619.32 : 122,319.95 = 50,399.47 : x
  2. Step 2: Convert to fraction form
    88,619.32/122,319.95 = 50,399.47/x
  3. Step 3: Cross multiply
    88,619.32x = 122,319.95 × 50,399.47
  4. Step 4: Simplify right side
    88,619.32x = 6,164,860,650.43
  5. Step 5: Solve for x
    x = 6,164,860,650.43/88,619.32
  6. Step 6: Final answer
    x = 69,565.65

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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.