Home / 126,779.20-174,954.66-69,417.48

Finding the Fourth Proportional to 126,779.20, 174,954.66 and 69,417.48

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Solution

The fourth proportional to 126,779.20, 174,954.66 and 69,417.48 is: 95,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,779.20 : 174,954.66 = 69,417.48 : x
  2. Step 2: Convert to fraction form
    126,779.20/174,954.66 = 69,417.48/x
  3. Step 3: Cross multiply
    126,779.20x = 174,954.66 × 69,417.48
  4. Step 4: Simplify right side
    126,779.20x = 12,144,911,611.46
  5. Step 5: Solve for x
    x = 12,144,911,611.46/126,779.20
  6. Step 6: Final answer
    x = 95,795.77

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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.