Home / 47,155.18-70,779.25-34,640.07

Finding the Fourth Proportional to 47,155.18, 70,779.25 and 34,640.07

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Solution

The fourth proportional to 47,155.18, 70,779.25 and 34,640.07 is: 51,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.18 : 70,779.25 = 34,640.07 : x
  2. Step 2: Convert to fraction form
    47,155.18/70,779.25 = 34,640.07/x
  3. Step 3: Cross multiply
    47,155.18x = 70,779.25 × 34,640.07
  4. Step 4: Simplify right side
    47,155.18x = 2,451,798,350.56
  5. Step 5: Solve for x
    x = 2,451,798,350.56/47,155.18
  6. Step 6: Final answer
    x = 51,994.25

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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.