Home / 53,543.25-73,787.83-39,207.47

Finding the Fourth Proportional to 53,543.25, 73,787.83 and 39,207.47

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Solution

The fourth proportional to 53,543.25, 73,787.83 and 39,207.47 is: 54,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.25 : 73,787.83 = 39,207.47 : x
  2. Step 2: Convert to fraction form
    53,543.25/73,787.83 = 39,207.47/x
  3. Step 3: Cross multiply
    53,543.25x = 73,787.83 × 39,207.47
  4. Step 4: Simplify right side
    53,543.25x = 2,893,033,664.13
  5. Step 5: Solve for x
    x = 2,893,033,664.13/53,543.25
  6. Step 6: Final answer
    x = 54,031.72

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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.