Home / 71,320.63-98,391.53-43,010.59

Finding the Fourth Proportional to 71,320.63, 98,391.53 and 43,010.59

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Solution

The fourth proportional to 71,320.63, 98,391.53 and 43,010.59 is: 59,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,320.63 : 98,391.53 = 43,010.59 : x
  2. Step 2: Convert to fraction form
    71,320.63/98,391.53 = 43,010.59/x
  3. Step 3: Cross multiply
    71,320.63x = 98,391.53 × 43,010.59
  4. Step 4: Simplify right side
    71,320.63x = 4,231,877,541.25
  5. Step 5: Solve for x
    x = 4,231,877,541.25/71,320.63
  6. Step 6: Final answer
    x = 59,335.95

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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.