Home / 126,776.96-174,951.55-69,415.24

Finding the Fourth Proportional to 126,776.96, 174,951.55 and 69,415.24

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Solution

The fourth proportional to 126,776.96, 174,951.55 and 69,415.24 is: 95,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,776.96 : 174,951.55 = 69,415.24 : x
  2. Step 2: Convert to fraction form
    126,776.96/174,951.55 = 69,415.24/x
  3. Step 3: Cross multiply
    126,776.96x = 174,951.55 × 69,415.24
  4. Step 4: Simplify right side
    126,776.96x = 12,144,302,956.86
  5. Step 5: Solve for x
    x = 12,144,302,956.86/126,776.96
  6. Step 6: Final answer
    x = 95,792.67

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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.