Home / 75,118.02-112,669.70-19,714.02

Finding the Fourth Proportional to 75,118.02, 112,669.70 and 19,714.02

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Solution

The fourth proportional to 75,118.02, 112,669.70 and 19,714.02 is: 29,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,118.02 : 112,669.70 = 19,714.02 : x
  2. Step 2: Convert to fraction form
    75,118.02/112,669.70 = 19,714.02/x
  3. Step 3: Cross multiply
    75,118.02x = 112,669.70 × 19,714.02
  4. Step 4: Simplify right side
    75,118.02x = 2,221,172,620.62
  5. Step 5: Solve for x
    x = 2,221,172,620.62/75,118.02
  6. Step 6: Final answer
    x = 29,569.10

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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.