Home / 78,187.05-107,904.85-44,201.60

Finding the Fourth Proportional to 78,187.05, 107,904.85 and 44,201.60

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Solution

The fourth proportional to 78,187.05, 107,904.85 and 44,201.60 is: 61,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,187.05 : 107,904.85 = 44,201.60 : x
  2. Step 2: Convert to fraction form
    78,187.05/107,904.85 = 44,201.60/x
  3. Step 3: Cross multiply
    78,187.05x = 107,904.85 × 44,201.60
  4. Step 4: Simplify right side
    78,187.05x = 4,769,567,017.76
  5. Step 5: Solve for x
    x = 4,769,567,017.76/78,187.05
  6. Step 6: Final answer
    x = 61,002.01

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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.