Home / 58,807.27-81,187.67-38,722.51

Finding the Fourth Proportional to 58,807.27, 81,187.67 and 38,722.51

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Solution

The fourth proportional to 58,807.27, 81,187.67 and 38,722.51 is: 53,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,807.27 : 81,187.67 = 38,722.51 : x
  2. Step 2: Convert to fraction form
    58,807.27/81,187.67 = 38,722.51/x
  3. Step 3: Cross multiply
    58,807.27x = 81,187.67 × 38,722.51
  4. Step 4: Simplify right side
    58,807.27x = 3,143,790,169.84
  5. Step 5: Solve for x
    x = 3,143,790,169.84/58,807.27
  6. Step 6: Final answer
    x = 53,459.21

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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.