Home / 74,017.12-111,025.68-42,835.36

Finding the Fourth Proportional to 74,017.12, 111,025.68 and 42,835.36

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Solution

The fourth proportional to 74,017.12, 111,025.68 and 42,835.36 is: 64,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.12 : 111,025.68 = 42,835.36 : x
  2. Step 2: Convert to fraction form
    74,017.12/111,025.68 = 42,835.36/x
  3. Step 3: Cross multiply
    74,017.12x = 111,025.68 × 42,835.36
  4. Step 4: Simplify right side
    74,017.12x = 4,755,824,972.04
  5. Step 5: Solve for x
    x = 4,755,824,972.04/74,017.12
  6. Step 6: Final answer
    x = 64,253.04

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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.