Home / 112,962.56-155,892.48-68,241.92

Finding the Fourth Proportional to 112,962.56, 155,892.48 and 68,241.92

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Solution

The fourth proportional to 112,962.56, 155,892.48 and 68,241.92 is: 94,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,962.56 : 155,892.48 = 68,241.92 : x
  2. Step 2: Convert to fraction form
    112,962.56/155,892.48 = 68,241.92/x
  3. Step 3: Cross multiply
    112,962.56x = 155,892.48 × 68,241.92
  4. Step 4: Simplify right side
    112,962.56x = 10,638,402,148.76
  5. Step 5: Solve for x
    x = 10,638,402,148.76/112,962.56
  6. Step 6: Final answer
    x = 94,176.35

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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.