Home / 74,117.32-102,297.78-47,253.64

Finding the Fourth Proportional to 74,117.32, 102,297.78 and 47,253.64

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Solution

The fourth proportional to 74,117.32, 102,297.78 and 47,253.64 is: 65,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117.32 : 102,297.78 = 47,253.64 : x
  2. Step 2: Convert to fraction form
    74,117.32/102,297.78 = 47,253.64/x
  3. Step 3: Cross multiply
    74,117.32x = 102,297.78 × 47,253.64
  4. Step 4: Simplify right side
    74,117.32x = 4,833,942,468.92
  5. Step 5: Solve for x
    x = 4,833,942,468.92/74,117.32
  6. Step 6: Final answer
    x = 65,220.15

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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.