Home / 53,498.91-73,905.36-42,729.63

Finding the Fourth Proportional to 53,498.91, 73,905.36 and 42,729.63

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Solution

The fourth proportional to 53,498.91, 73,905.36 and 42,729.63 is: 59,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498.91 : 73,905.36 = 42,729.63 : x
  2. Step 2: Convert to fraction form
    53,498.91/73,905.36 = 42,729.63/x
  3. Step 3: Cross multiply
    53,498.91x = 73,905.36 × 42,729.63
  4. Step 4: Simplify right side
    53,498.91x = 3,157,948,687.82
  5. Step 5: Solve for x
    x = 3,157,948,687.82/53,498.91
  6. Step 6: Final answer
    x = 59,028.28

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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.