Home / 65,060.43-89,784.09-38,203.26

Finding the Fourth Proportional to 65,060.43, 89,784.09 and 38,203.26

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Solution

The fourth proportional to 65,060.43, 89,784.09 and 38,203.26 is: 52,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,060.43 : 89,784.09 = 38,203.26 : x
  2. Step 2: Convert to fraction form
    65,060.43/89,784.09 = 38,203.26/x
  3. Step 3: Cross multiply
    65,060.43x = 89,784.09 × 38,203.26
  4. Step 4: Simplify right side
    65,060.43x = 3,430,044,934.13
  5. Step 5: Solve for x
    x = 3,430,044,934.13/65,060.43
  6. Step 6: Final answer
    x = 52,720.91

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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.