Home / 126,159.12-174,091.68-69,570.36

Finding the Fourth Proportional to 126,159.12, 174,091.68 and 69,570.36

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Solution

The fourth proportional to 126,159.12, 174,091.68 and 69,570.36 is: 96,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159.12 : 174,091.68 = 69,570.36 : x
  2. Step 2: Convert to fraction form
    126,159.12/174,091.68 = 69,570.36/x
  3. Step 3: Cross multiply
    126,159.12x = 174,091.68 × 69,570.36
  4. Step 4: Simplify right side
    126,159.12x = 12,111,620,850.60
  5. Step 5: Solve for x
    x = 12,111,620,850.60/126,159.12
  6. Step 6: Final answer
    x = 96,002.74

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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.