Home / 73,053.13-100,812.34-40,788.25

Finding the Fourth Proportional to 73,053.13, 100,812.34 and 40,788.25

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Solution

The fourth proportional to 73,053.13, 100,812.34 and 40,788.25 is: 56,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,053.13 : 100,812.34 = 40,788.25 : x
  2. Step 2: Convert to fraction form
    73,053.13/100,812.34 = 40,788.25/x
  3. Step 3: Cross multiply
    73,053.13x = 100,812.34 × 40,788.25
  4. Step 4: Simplify right side
    73,053.13x = 4,111,958,219.00
  5. Step 5: Solve for x
    x = 4,111,958,219.00/73,053.13
  6. Step 6: Final answer
    x = 56,287.23

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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.