Home / 74,016.08-102,138.44-45,724.24

Finding the Fourth Proportional to 74,016.08, 102,138.44 and 45,724.24

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Solution

The fourth proportional to 74,016.08, 102,138.44 and 45,724.24 is: 63,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,016.08 : 102,138.44 = 45,724.24 : x
  2. Step 2: Convert to fraction form
    74,016.08/102,138.44 = 45,724.24/x
  3. Step 3: Cross multiply
    74,016.08x = 102,138.44 × 45,724.24
  4. Step 4: Simplify right side
    74,016.08x = 4,670,202,543.79
  5. Step 5: Solve for x
    x = 4,670,202,543.79/74,016.08
  6. Step 6: Final answer
    x = 63,097.13

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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.