Home / 97,864.70-146,829.45-31,315.10

Finding the Fourth Proportional to 97,864.70, 146,829.45 and 31,315.10

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Solution

The fourth proportional to 97,864.70, 146,829.45 and 31,315.10 is: 46,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,864.70 : 146,829.45 = 31,315.10 : x
  2. Step 2: Convert to fraction form
    97,864.70/146,829.45 = 31,315.10/x
  3. Step 3: Cross multiply
    97,864.70x = 146,829.45 × 31,315.10
  4. Step 4: Simplify right side
    97,864.70x = 4,597,978,909.70
  5. Step 5: Solve for x
    x = 4,597,978,909.70/97,864.70
  6. Step 6: Final answer
    x = 46,983.02

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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.