Home / 75,249.34-112,210.79-74,574.81

Finding the Fourth Proportional to 75,249.34, 112,210.79 and 74,574.81

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Solution

The fourth proportional to 75,249.34, 112,210.79 and 74,574.81 is: 111,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.34 : 112,210.79 = 74,574.81 : x
  2. Step 2: Convert to fraction form
    75,249.34/112,210.79 = 74,574.81/x
  3. Step 3: Cross multiply
    75,249.34x = 112,210.79 × 74,574.81
  4. Step 4: Simplify right side
    75,249.34x = 8,368,097,971.33
  5. Step 5: Solve for x
    x = 8,368,097,971.33/75,249.34
  6. Step 6: Final answer
    x = 111,204.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.