Home / 74,140.08-102,309.25-43,928.18

Finding the Fourth Proportional to 74,140.08, 102,309.25 and 43,928.18

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Solution

The fourth proportional to 74,140.08, 102,309.25 and 43,928.18 is: 60,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,140.08 : 102,309.25 = 43,928.18 : x
  2. Step 2: Convert to fraction form
    74,140.08/102,309.25 = 43,928.18/x
  3. Step 3: Cross multiply
    74,140.08x = 102,309.25 × 43,928.18
  4. Step 4: Simplify right side
    74,140.08x = 4,494,258,994.32
  5. Step 5: Solve for x
    x = 4,494,258,994.32/74,140.08
  6. Step 6: Final answer
    x = 60,618.48

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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.