Home / 116,821.80-175,347.90-57,724.20

Finding the Fourth Proportional to 116,821.80, 175,347.90 and 57,724.20

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Solution

The fourth proportional to 116,821.80, 175,347.90 and 57,724.20 is: 86,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,821.80 : 175,347.90 = 57,724.20 : x
  2. Step 2: Convert to fraction form
    116,821.80/175,347.90 = 57,724.20/x
  3. Step 3: Cross multiply
    116,821.80x = 175,347.90 × 57,724.20
  4. Step 4: Simplify right side
    116,821.80x = 10,121,817,249.18
  5. Step 5: Solve for x
    x = 10,121,817,249.18/116,821.80
  6. Step 6: Final answer
    x = 86,643.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.