Home / 126,441.47-174,492.75-69,856.49

Finding the Fourth Proportional to 126,441.47, 174,492.75 and 69,856.49

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Solution

The fourth proportional to 126,441.47, 174,492.75 and 69,856.49 is: 96,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,441.47 : 174,492.75 = 69,856.49 : x
  2. Step 2: Convert to fraction form
    126,441.47/174,492.75 = 69,856.49/x
  3. Step 3: Cross multiply
    126,441.47x = 174,492.75 × 69,856.49
  4. Step 4: Simplify right side
    126,441.47x = 12,189,450,172.98
  5. Step 5: Solve for x
    x = 12,189,450,172.98/126,441.47
  6. Step 6: Final answer
    x = 96,403.90

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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.