Home / 88,927.28-133,428.36-38,981.60

Finding the Fourth Proportional to 88,927.28, 133,428.36 and 38,981.60

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Solution

The fourth proportional to 88,927.28, 133,428.36 and 38,981.60 is: 58,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,927.28 : 133,428.36 = 38,981.60 : x
  2. Step 2: Convert to fraction form
    88,927.28/133,428.36 = 38,981.60/x
  3. Step 3: Cross multiply
    88,927.28x = 133,428.36 × 38,981.60
  4. Step 4: Simplify right side
    88,927.28x = 5,201,250,958.18
  5. Step 5: Solve for x
    x = 5,201,250,958.18/88,927.28
  6. Step 6: Final answer
    x = 58,488.81

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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.