Home / 88,763.32-122,488.62-51,980.68

Finding the Fourth Proportional to 88,763.32, 122,488.62 and 51,980.68

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Solution

The fourth proportional to 88,763.32, 122,488.62 and 51,980.68 is: 71,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,763.32 : 122,488.62 = 51,980.68 : x
  2. Step 2: Convert to fraction form
    88,763.32/122,488.62 = 51,980.68/x
  3. Step 3: Cross multiply
    88,763.32x = 122,488.62 × 51,980.68
  4. Step 4: Simplify right side
    88,763.32x = 6,367,041,759.86
  5. Step 5: Solve for x
    x = 6,367,041,759.86/88,763.32
  6. Step 6: Final answer
    x = 71,730.55

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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.