Home / 97,134.82-145,663.89-47,200.12

Finding the Fourth Proportional to 97,134.82, 145,663.89 and 47,200.12

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Solution

The fourth proportional to 97,134.82, 145,663.89 and 47,200.12 is: 70,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,134.82 : 145,663.89 = 47,200.12 : x
  2. Step 2: Convert to fraction form
    97,134.82/145,663.89 = 47,200.12/x
  3. Step 3: Cross multiply
    97,134.82x = 145,663.89 × 47,200.12
  4. Step 4: Simplify right side
    97,134.82x = 6,875,353,087.67
  5. Step 5: Solve for x
    x = 6,875,353,087.67/97,134.82
  6. Step 6: Final answer
    x = 70,781.55

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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.