Home / 77,557.32-107,021.58-43,558.08

Finding the Fourth Proportional to 77,557.32, 107,021.58 and 43,558.08

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Solution

The fourth proportional to 77,557.32, 107,021.58 and 43,558.08 is: 60,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,557.32 : 107,021.58 = 43,558.08 : x
  2. Step 2: Convert to fraction form
    77,557.32/107,021.58 = 43,558.08/x
  3. Step 3: Cross multiply
    77,557.32x = 107,021.58 × 43,558.08
  4. Step 4: Simplify right side
    77,557.32x = 4,661,654,543.37
  5. Step 5: Solve for x
    x = 4,661,654,543.37/77,557.32
  6. Step 6: Final answer
    x = 60,105.93

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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.