Home / 74,150.90-111,226.35-43,066.10

Finding the Fourth Proportional to 74,150.90, 111,226.35 and 43,066.10

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Solution

The fourth proportional to 74,150.90, 111,226.35 and 43,066.10 is: 64,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.90 : 111,226.35 = 43,066.10 : x
  2. Step 2: Convert to fraction form
    74,150.90/111,226.35 = 43,066.10/x
  3. Step 3: Cross multiply
    74,150.90x = 111,226.35 × 43,066.10
  4. Step 4: Simplify right side
    74,150.90x = 4,790,085,111.74
  5. Step 5: Solve for x
    x = 4,790,085,111.74/74,150.90
  6. Step 6: Final answer
    x = 64,599.15

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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.