Home / 73,055.25-100,816.38-39,521.25

Finding the Fourth Proportional to 73,055.25, 100,816.38 and 39,521.25

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Solution

The fourth proportional to 73,055.25, 100,816.38 and 39,521.25 is: 54,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,055.25 : 100,816.38 = 39,521.25 : x
  2. Step 2: Convert to fraction form
    73,055.25/100,816.38 = 39,521.25/x
  3. Step 3: Cross multiply
    73,055.25x = 100,816.38 × 39,521.25
  4. Step 4: Simplify right side
    73,055.25x = 3,984,389,358.08
  5. Step 5: Solve for x
    x = 3,984,389,358.08/73,055.25
  6. Step 6: Final answer
    x = 54,539.40

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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.