Home / 70,126.16-96,774.75-39,910.02

Finding the Fourth Proportional to 70,126.16, 96,774.75 and 39,910.02

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Solution

The fourth proportional to 70,126.16, 96,774.75 and 39,910.02 is: 55,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,126.16 : 96,774.75 = 39,910.02 : x
  2. Step 2: Convert to fraction form
    70,126.16/96,774.75 = 39,910.02/x
  3. Step 3: Cross multiply
    70,126.16x = 96,774.75 × 39,910.02
  4. Step 4: Simplify right side
    70,126.16x = 3,862,281,845.09
  5. Step 5: Solve for x
    x = 3,862,281,845.09/70,126.16
  6. Step 6: Final answer
    x = 55,076.20

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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.