Home / 53,963.66-74,427.98-47,920.26

Finding the Fourth Proportional to 53,963.66, 74,427.98 and 47,920.26

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Solution

The fourth proportional to 53,963.66, 74,427.98 and 47,920.26 is: 66,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,963.66 : 74,427.98 = 47,920.26 : x
  2. Step 2: Convert to fraction form
    53,963.66/74,427.98 = 47,920.26/x
  3. Step 3: Cross multiply
    53,963.66x = 74,427.98 × 47,920.26
  4. Step 4: Simplify right side
    53,963.66x = 3,566,608,152.87
  5. Step 5: Solve for x
    x = 3,566,608,152.87/53,963.66
  6. Step 6: Final answer
    x = 66,092.78

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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.