Home / 77,917.35-107,529.08-43,927.10

Finding the Fourth Proportional to 77,917.35, 107,529.08 and 43,927.10

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Solution

The fourth proportional to 77,917.35, 107,529.08 and 43,927.10 is: 60,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,917.35 : 107,529.08 = 43,927.10 : x
  2. Step 2: Convert to fraction form
    77,917.35/107,529.08 = 43,927.10/x
  3. Step 3: Cross multiply
    77,917.35x = 107,529.08 × 43,927.10
  4. Step 4: Simplify right side
    77,917.35x = 4,723,439,892.79
  5. Step 5: Solve for x
    x = 4,723,439,892.79/77,917.35
  6. Step 6: Final answer
    x = 60,621.16

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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.