Home / 53,785.52-74,218.33-29,908.34

Finding the Fourth Proportional to 53,785.52, 74,218.33 and 29,908.34

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Solution

The fourth proportional to 53,785.52, 74,218.33 and 29,908.34 is: 41,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.52 : 74,218.33 = 29,908.34 : x
  2. Step 2: Convert to fraction form
    53,785.52/74,218.33 = 29,908.34/x
  3. Step 3: Cross multiply
    53,785.52x = 74,218.33 × 29,908.34
  4. Step 4: Simplify right side
    53,785.52x = 2,219,747,047.87
  5. Step 5: Solve for x
    x = 2,219,747,047.87/53,785.52
  6. Step 6: Final answer
    x = 41,270.35

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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.