Home / 97,412.90-146,108.55-79,852.10

Finding the Fourth Proportional to 97,412.90, 146,108.55 and 79,852.10

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Solution

The fourth proportional to 97,412.90, 146,108.55 and 79,852.10 is: 119,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,412.90 : 146,108.55 = 79,852.10 : x
  2. Step 2: Convert to fraction form
    97,412.90/146,108.55 = 79,852.10/x
  3. Step 3: Cross multiply
    97,412.90x = 146,108.55 × 79,852.10
  4. Step 4: Simplify right side
    97,412.90x = 11,667,074,545.46
  5. Step 5: Solve for x
    x = 11,667,074,545.46/97,412.90
  6. Step 6: Final answer
    x = 119,769.30

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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.