Home / 99,904.07-137,867.73-54,582.81

Finding the Fourth Proportional to 99,904.07, 137,867.73 and 54,582.81

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Solution

The fourth proportional to 99,904.07, 137,867.73 and 54,582.81 is: 75,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,904.07 : 137,867.73 = 54,582.81 : x
  2. Step 2: Convert to fraction form
    99,904.07/137,867.73 = 54,582.81/x
  3. Step 3: Cross multiply
    99,904.07x = 137,867.73 × 54,582.81
  4. Step 4: Simplify right side
    99,904.07x = 7,525,207,907.04
  5. Step 5: Solve for x
    x = 7,525,207,907.04/99,904.07
  6. Step 6: Final answer
    x = 75,324.34

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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.