Home / 75,374.04-113,068.78-19,970.04

Finding the Fourth Proportional to 75,374.04, 113,068.78 and 19,970.04

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Solution

The fourth proportional to 75,374.04, 113,068.78 and 19,970.04 is: 29,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,374.04 : 113,068.78 = 19,970.04 : x
  2. Step 2: Convert to fraction form
    75,374.04/113,068.78 = 19,970.04/x
  3. Step 3: Cross multiply
    75,374.04x = 113,068.78 × 19,970.04
  4. Step 4: Simplify right side
    75,374.04x = 2,257,988,059.35
  5. Step 5: Solve for x
    x = 2,257,988,059.35/75,374.04
  6. Step 6: Final answer
    x = 29,957.11

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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.