Home / 97,670.04-146,353.50-67,742.70

Finding the Fourth Proportional to 97,670.04, 146,353.50 and 67,742.70

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Solution

The fourth proportional to 97,670.04, 146,353.50 and 67,742.70 is: 101,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,670.04 : 146,353.50 = 67,742.70 : x
  2. Step 2: Convert to fraction form
    97,670.04/146,353.50 = 67,742.70/x
  3. Step 3: Cross multiply
    97,670.04x = 146,353.50 × 67,742.70
  4. Step 4: Simplify right side
    97,670.04x = 9,914,381,244.45
  5. Step 5: Solve for x
    x = 9,914,381,244.45/97,670.04
  6. Step 6: Final answer
    x = 101,508.93

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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.