Home / 53,763.28-74,186.89-29,560.28

Finding the Fourth Proportional to 53,763.28, 74,186.89 and 29,560.28

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Solution

The fourth proportional to 53,763.28, 74,186.89 and 29,560.28 is: 40,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,763.28 : 74,186.89 = 29,560.28 : x
  2. Step 2: Convert to fraction form
    53,763.28/74,186.89 = 29,560.28/x
  3. Step 3: Cross multiply
    53,763.28x = 74,186.89 × 29,560.28
  4. Step 4: Simplify right side
    53,763.28x = 2,192,984,795.89
  5. Step 5: Solve for x
    x = 2,192,984,795.89/53,763.28
  6. Step 6: Final answer
    x = 40,789.64

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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.