Home / 88,095.67-121,572.66-49,855.30

Finding the Fourth Proportional to 88,095.67, 121,572.66 and 49,855.30

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Solution

The fourth proportional to 88,095.67, 121,572.66 and 49,855.30 is: 68,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.67 : 121,572.66 = 49,855.30 : x
  2. Step 2: Convert to fraction form
    88,095.67/121,572.66 = 49,855.30/x
  3. Step 3: Cross multiply
    88,095.67x = 121,572.66 × 49,855.30
  4. Step 4: Simplify right side
    88,095.67x = 6,061,041,436.10
  5. Step 5: Solve for x
    x = 6,061,041,436.10/88,095.67
  6. Step 6: Final answer
    x = 68,800.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.