Home / 52,056.32-78,076.16-15,111.68

Finding the Fourth Proportional to 52,056.32, 78,076.16 and 15,111.68

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Solution

The fourth proportional to 52,056.32, 78,076.16 and 15,111.68 is: 22,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,056.32 : 78,076.16 = 15,111.68 : x
  2. Step 2: Convert to fraction form
    52,056.32/78,076.16 = 15,111.68/x
  3. Step 3: Cross multiply
    52,056.32x = 78,076.16 × 15,111.68
  4. Step 4: Simplify right side
    52,056.32x = 1,179,861,945.55
  5. Step 5: Solve for x
    x = 1,179,861,945.55/52,056.32
  6. Step 6: Final answer
    x = 22,665.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.