Home / 88,935.18-133,402.77-42,162.54

Finding the Fourth Proportional to 88,935.18, 133,402.77 and 42,162.54

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Solution

The fourth proportional to 88,935.18, 133,402.77 and 42,162.54 is: 63,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,935.18 : 133,402.77 = 42,162.54 : x
  2. Step 2: Convert to fraction form
    88,935.18/133,402.77 = 42,162.54/x
  3. Step 3: Cross multiply
    88,935.18x = 133,402.77 × 42,162.54
  4. Step 4: Simplify right side
    88,935.18x = 5,624,599,626.24
  5. Step 5: Solve for x
    x = 5,624,599,626.24/88,935.18
  6. Step 6: Final answer
    x = 63,243.81

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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.