Home / 121,947.12-182,930.94-47,064.24

Finding the Fourth Proportional to 121,947.12, 182,930.94 and 47,064.24

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Solution

The fourth proportional to 121,947.12, 182,930.94 and 47,064.24 is: 70,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,947.12 : 182,930.94 = 47,064.24 : x
  2. Step 2: Convert to fraction form
    121,947.12/182,930.94 = 47,064.24/x
  3. Step 3: Cross multiply
    121,947.12x = 182,930.94 × 47,064.24
  4. Step 4: Simplify right side
    121,947.12x = 8,609,505,663.59
  5. Step 5: Solve for x
    x = 8,609,505,663.59/121,947.12
  6. Step 6: Final answer
    x = 70,600.32

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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.