Home / 54,280.16-74,889.60-33,060.32

Finding the Fourth Proportional to 54,280.16, 74,889.60 and 33,060.32

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Solution

The fourth proportional to 54,280.16, 74,889.60 and 33,060.32 is: 45,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.16 : 74,889.60 = 33,060.32 : x
  2. Step 2: Convert to fraction form
    54,280.16/74,889.60 = 33,060.32/x
  3. Step 3: Cross multiply
    54,280.16x = 74,889.60 × 33,060.32
  4. Step 4: Simplify right side
    54,280.16x = 2,475,874,140.67
  5. Step 5: Solve for x
    x = 2,475,874,140.67/54,280.16
  6. Step 6: Final answer
    x = 45,612.87

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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.