Home / 53,761.23-74,186.30-29,886.45

Finding the Fourth Proportional to 53,761.23, 74,186.30 and 29,886.45

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Solution

The fourth proportional to 53,761.23, 74,186.30 and 29,886.45 is: 41,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,761.23 : 74,186.30 = 29,886.45 : x
  2. Step 2: Convert to fraction form
    53,761.23/74,186.30 = 29,886.45/x
  3. Step 3: Cross multiply
    53,761.23x = 74,186.30 × 29,886.45
  4. Step 4: Simplify right side
    53,761.23x = 2,217,164,996.20
  5. Step 5: Solve for x
    x = 2,217,164,996.20/53,761.23
  6. Step 6: Final answer
    x = 41,240.96

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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.