Home / 58,727.74-81,111.57-38,674.26

Finding the Fourth Proportional to 58,727.74, 81,111.57 and 38,674.26

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Solution

The fourth proportional to 58,727.74, 81,111.57 and 38,674.26 is: 53,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.74 : 81,111.57 = 38,674.26 : x
  2. Step 2: Convert to fraction form
    58,727.74/81,111.57 = 38,674.26/x
  3. Step 3: Cross multiply
    58,727.74x = 81,111.57 × 38,674.26
  4. Step 4: Simplify right side
    58,727.74x = 3,136,929,947.19
  5. Step 5: Solve for x
    x = 3,136,929,947.19/58,727.74
  6. Step 6: Final answer
    x = 53,414.79

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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.