Home / 97,831.98-146,665.08-38,709.36

Finding the Fourth Proportional to 97,831.98, 146,665.08 and 38,709.36

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Solution

The fourth proportional to 97,831.98, 146,665.08 and 38,709.36 is: 58,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,831.98 : 146,665.08 = 38,709.36 : x
  2. Step 2: Convert to fraction form
    97,831.98/146,665.08 = 38,709.36/x
  3. Step 3: Cross multiply
    97,831.98x = 146,665.08 × 38,709.36
  4. Step 4: Simplify right side
    97,831.98x = 5,677,311,381.15
  5. Step 5: Solve for x
    x = 5,677,311,381.15/97,831.98
  6. Step 6: Final answer
    x = 58,031.24

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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.