Home / 74,904.04-112,355.70-19,500.04

Finding the Fourth Proportional to 74,904.04, 112,355.70 and 19,500.04

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Solution

The fourth proportional to 74,904.04, 112,355.70 and 19,500.04 is: 29,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.04 : 112,355.70 = 19,500.04 : x
  2. Step 2: Convert to fraction form
    74,904.04/112,355.70 = 19,500.04/x
  3. Step 3: Cross multiply
    74,904.04x = 112,355.70 × 19,500.04
  4. Step 4: Simplify right side
    74,904.04x = 2,190,940,644.23
  5. Step 5: Solve for x
    x = 2,190,940,644.23/74,904.04
  6. Step 6: Final answer
    x = 29,249.97

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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.