Home / 88,280.11-121,837.76-50,045.88

Finding the Fourth Proportional to 88,280.11, 121,837.76 and 50,045.88

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Solution

The fourth proportional to 88,280.11, 121,837.76 and 50,045.88 is: 69,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.11 : 121,837.76 = 50,045.88 : x
  2. Step 2: Convert to fraction form
    88,280.11/121,837.76 = 50,045.88/x
  3. Step 3: Cross multiply
    88,280.11x = 121,837.76 × 50,045.88
  4. Step 4: Simplify right side
    88,280.11x = 6,097,477,916.43
  5. Step 5: Solve for x
    x = 6,097,477,916.43/88,280.11
  6. Step 6: Final answer
    x = 69,069.67

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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.