Home / 49,427.10-74,140.65-47,007.90

Finding the Fourth Proportional to 49,427.10, 74,140.65 and 47,007.90

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Solution

The fourth proportional to 49,427.10, 74,140.65 and 47,007.90 is: 70,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,427.10 : 74,140.65 = 47,007.90 : x
  2. Step 2: Convert to fraction form
    49,427.10/74,140.65 = 47,007.90/x
  3. Step 3: Cross multiply
    49,427.10x = 74,140.65 × 47,007.90
  4. Step 4: Simplify right side
    49,427.10x = 3,485,196,261.14
  5. Step 5: Solve for x
    x = 3,485,196,261.14/49,427.10
  6. Step 6: Final answer
    x = 70,511.85

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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.