Home / 53,728.56-74,146.56-29,854.80

Finding the Fourth Proportional to 53,728.56, 74,146.56 and 29,854.80

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Solution

The fourth proportional to 53,728.56, 74,146.56 and 29,854.80 is: 41,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.56 : 74,146.56 = 29,854.80 : x
  2. Step 2: Convert to fraction form
    53,728.56/74,146.56 = 29,854.80/x
  3. Step 3: Cross multiply
    53,728.56x = 74,146.56 × 29,854.80
  4. Step 4: Simplify right side
    53,728.56x = 2,213,630,719.49
  5. Step 5: Solve for x
    x = 2,213,630,719.49/53,728.56
  6. Step 6: Final answer
    x = 41,200.26

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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.