Home / 77,573.32-107,019.30-49,268.68

Finding the Fourth Proportional to 77,573.32, 107,019.30 and 49,268.68

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Solution

The fourth proportional to 77,573.32, 107,019.30 and 49,268.68 is: 67,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.32 : 107,019.30 = 49,268.68 : x
  2. Step 2: Convert to fraction form
    77,573.32/107,019.30 = 49,268.68/x
  3. Step 3: Cross multiply
    77,573.32x = 107,019.30 × 49,268.68
  4. Step 4: Simplify right side
    77,573.32x = 5,272,699,645.52
  5. Step 5: Solve for x
    x = 5,272,699,645.52/77,573.32
  6. Step 6: Final answer
    x = 67,970.53

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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.