Home / 53,680.19-74,077.54-29,805.44

Finding the Fourth Proportional to 53,680.19, 74,077.54 and 29,805.44

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Solution

The fourth proportional to 53,680.19, 74,077.54 and 29,805.44 is: 41,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.19 : 74,077.54 = 29,805.44 : x
  2. Step 2: Convert to fraction form
    53,680.19/74,077.54 = 29,805.44/x
  3. Step 3: Cross multiply
    53,680.19x = 74,077.54 × 29,805.44
  4. Step 4: Simplify right side
    53,680.19x = 2,207,913,228.92
  5. Step 5: Solve for x
    x = 2,207,913,228.92/53,680.19
  6. Step 6: Final answer
    x = 41,130.88

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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.