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Finding the Fourth Proportional to 88,990.69, 133,465.00 and 32,800.28

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Solution

The fourth proportional to 88,990.69, 133,465.00 and 32,800.28 is: 49,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,990.69 : 133,465.00 = 32,800.28 : x
  2. Step 2: Convert to fraction form
    88,990.69/133,465.00 = 32,800.28/x
  3. Step 3: Cross multiply
    88,990.69x = 133,465.00 × 32,800.28
  4. Step 4: Simplify right side
    88,990.69x = 4,377,689,561.55
  5. Step 5: Solve for x
    x = 4,377,689,561.55/88,990.69
  6. Step 6: Final answer
    x = 49,192.67

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1.5x scale

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.