Home / 53,785.40-74,218.16-29,908.22

Finding the Fourth Proportional to 53,785.40, 74,218.16 and 29,908.22

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Solution

The fourth proportional to 53,785.40, 74,218.16 and 29,908.22 is: 41,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.40 : 74,218.16 = 29,908.22 : x
  2. Step 2: Convert to fraction form
    53,785.40/74,218.16 = 29,908.22/x
  3. Step 3: Cross multiply
    53,785.40x = 74,218.16 × 29,908.22
  4. Step 4: Simplify right side
    53,785.40x = 2,219,732,760.95
  5. Step 5: Solve for x
    x = 2,219,732,760.95/53,785.40
  6. Step 6: Final answer
    x = 41,270.18

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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.