Home / 47,478.08-71,241.90-34,438.10

Finding the Fourth Proportional to 47,478.08, 71,241.90 and 34,438.10

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Solution

The fourth proportional to 47,478.08, 71,241.90 and 34,438.10 is: 51,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.08 : 71,241.90 = 34,438.10 : x
  2. Step 2: Convert to fraction form
    47,478.08/71,241.90 = 34,438.10/x
  3. Step 3: Cross multiply
    47,478.08x = 71,241.90 × 34,438.10
  4. Step 4: Simplify right side
    47,478.08x = 2,453,435,191.04
  5. Step 5: Solve for x
    x = 2,453,435,191.04/47,478.08
  6. Step 6: Final answer
    x = 51,675.11

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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.