Home / 78,210.14-107,925.82-44,216.60

Finding the Fourth Proportional to 78,210.14, 107,925.82 and 44,216.60

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Solution

The fourth proportional to 78,210.14, 107,925.82 and 44,216.60 is: 61,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,210.14 : 107,925.82 = 44,216.60 : x
  2. Step 2: Convert to fraction form
    78,210.14/107,925.82 = 44,216.60/x
  3. Step 3: Cross multiply
    78,210.14x = 107,925.82 × 44,216.60
  4. Step 4: Simplify right side
    78,210.14x = 4,772,112,162.44
  5. Step 5: Solve for x
    x = 4,772,112,162.44/78,210.14
  6. Step 6: Final answer
    x = 61,016.54

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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.