Home / 85,936.72-118,614.47-58,723.81

Finding the Fourth Proportional to 85,936.72, 118,614.47 and 58,723.81

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Solution

The fourth proportional to 85,936.72, 118,614.47 and 58,723.81 is: 81,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,936.72 : 118,614.47 = 58,723.81 : x
  2. Step 2: Convert to fraction form
    85,936.72/118,614.47 = 58,723.81/x
  3. Step 3: Cross multiply
    85,936.72x = 118,614.47 × 58,723.81
  4. Step 4: Simplify right side
    85,936.72x = 6,965,493,962.13
  5. Step 5: Solve for x
    x = 6,965,493,962.13/85,936.72
  6. Step 6: Final answer
    x = 81,053.76

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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.