Home / 77,848.92-107,458.04-48,403.70

Finding the Fourth Proportional to 77,848.92, 107,458.04 and 48,403.70

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Solution

The fourth proportional to 77,848.92, 107,458.04 and 48,403.70 is: 66,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.92 : 107,458.04 = 48,403.70 : x
  2. Step 2: Convert to fraction form
    77,848.92/107,458.04 = 48,403.70/x
  3. Step 3: Cross multiply
    77,848.92x = 107,458.04 × 48,403.70
  4. Step 4: Simplify right side
    77,848.92x = 5,201,367,019.66
  5. Step 5: Solve for x
    x = 5,201,367,019.66/77,848.92
  6. Step 6: Final answer
    x = 66,813.60

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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.