Home / 103,332.61-154,945-36,763.03

Finding the Fourth Proportional to 103,332.61, 154,945 and 36,763.03

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Solution

The fourth proportional to 103,332.61, 154,945 and 36,763.03 is: 55,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,332.61 : 154,945 = 36,763.03 : x
  2. Step 2: Convert to fraction form
    103,332.61/154,945 = 36,763.03/x
  3. Step 3: Cross multiply
    103,332.61x = 154,945 × 36,763.03
  4. Step 4: Simplify right side
    103,332.61x = 5,696,247,683.35
  5. Step 5: Solve for x
    x = 5,696,247,683.35/103,332.61
  6. Step 6: Final answer
    x = 55,125.36

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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.