Home / 92,069.23-137,977.84-69,561.40

Finding the Fourth Proportional to 92,069.23, 137,977.84 and 69,561.40

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Solution

The fourth proportional to 92,069.23, 137,977.84 and 69,561.40 is: 104,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,069.23 : 137,977.84 = 69,561.40 : x
  2. Step 2: Convert to fraction form
    92,069.23/137,977.84 = 69,561.40/x
  3. Step 3: Cross multiply
    92,069.23x = 137,977.84 × 69,561.40
  4. Step 4: Simplify right side
    92,069.23x = 9,597,931,719.38
  5. Step 5: Solve for x
    x = 9,597,931,719.38/92,069.23
  6. Step 6: Final answer
    x = 104,246.90

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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.