Home / 77,568.06-107,037.62-43,574.70

Finding the Fourth Proportional to 77,568.06, 107,037.62 and 43,574.70

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Solution

The fourth proportional to 77,568.06, 107,037.62 and 43,574.70 is: 60,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,568.06 : 107,037.62 = 43,574.70 : x
  2. Step 2: Convert to fraction form
    77,568.06/107,037.62 = 43,574.70/x
  3. Step 3: Cross multiply
    77,568.06x = 107,037.62 × 43,574.70
  4. Step 4: Simplify right side
    77,568.06x = 4,664,131,962.34
  5. Step 5: Solve for x
    x = 4,664,131,962.34/77,568.06
  6. Step 6: Final answer
    x = 60,129.54

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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.