Home / 71,222.37-98,259.28-45,721.95

Finding the Fourth Proportional to 71,222.37, 98,259.28 and 45,721.95

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Solution

The fourth proportional to 71,222.37, 98,259.28 and 45,721.95 is: 63,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,222.37 : 98,259.28 = 45,721.95 : x
  2. Step 2: Convert to fraction form
    71,222.37/98,259.28 = 45,721.95/x
  3. Step 3: Cross multiply
    71,222.37x = 98,259.28 × 45,721.95
  4. Step 4: Simplify right side
    71,222.37x = 4,492,605,887.20
  5. Step 5: Solve for x
    x = 4,492,605,887.20/71,222.37
  6. Step 6: Final answer
    x = 63,078.58

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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.