Home / 97,970.53-146,997.40-53,545.38

Finding the Fourth Proportional to 97,970.53, 146,997.40 and 53,545.38

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Solution

The fourth proportional to 97,970.53, 146,997.40 and 53,545.38 is: 80,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,970.53 : 146,997.40 = 53,545.38 : x
  2. Step 2: Convert to fraction form
    97,970.53/146,997.40 = 53,545.38/x
  3. Step 3: Cross multiply
    97,970.53x = 146,997.40 × 53,545.38
  4. Step 4: Simplify right side
    97,970.53x = 7,871,031,642.01
  5. Step 5: Solve for x
    x = 7,871,031,642.01/97,970.53
  6. Step 6: Final answer
    x = 80,340.81

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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.