Home / 78,155.10-107,858.25-44,164.98

Finding the Fourth Proportional to 78,155.10, 107,858.25 and 44,164.98

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Solution

The fourth proportional to 78,155.10, 107,858.25 and 44,164.98 is: 60,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,155.10 : 107,858.25 = 44,164.98 : x
  2. Step 2: Convert to fraction form
    78,155.10/107,858.25 = 44,164.98/x
  3. Step 3: Cross multiply
    78,155.10x = 107,858.25 × 44,164.98
  4. Step 4: Simplify right side
    78,155.10x = 4,763,557,454.09
  5. Step 5: Solve for x
    x = 4,763,557,454.09/78,155.10
  6. Step 6: Final answer
    x = 60,950.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.