Home / 74,582.57-111,874.16-30,210.17

Finding the Fourth Proportional to 74,582.57, 111,874.16 and 30,210.17

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Solution

The fourth proportional to 74,582.57, 111,874.16 and 30,210.17 is: 45,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.57 : 111,874.16 = 30,210.17 : x
  2. Step 2: Convert to fraction form
    74,582.57/111,874.16 = 30,210.17/x
  3. Step 3: Cross multiply
    74,582.57x = 111,874.16 × 30,210.17
  4. Step 4: Simplify right side
    74,582.57x = 3,379,736,908.36
  5. Step 5: Solve for x
    x = 3,379,736,908.36/74,582.57
  6. Step 6: Final answer
    x = 45,315.37

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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.