Home / 77,320.01-106,704.24-73,777.07

Finding the Fourth Proportional to 77,320.01, 106,704.24 and 73,777.07

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Solution

The fourth proportional to 77,320.01, 106,704.24 and 73,777.07 is: 101,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320.01 : 106,704.24 = 73,777.07 : x
  2. Step 2: Convert to fraction form
    77,320.01/106,704.24 = 73,777.07/x
  3. Step 3: Cross multiply
    77,320.01x = 106,704.24 × 73,777.07
  4. Step 4: Simplify right side
    77,320.01x = 7,872,326,727.20
  5. Step 5: Solve for x
    x = 7,872,326,727.20/77,320.01
  6. Step 6: Final answer
    x = 101,814.87

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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.