Home / 126,572.63-174,675.69-69,984

Finding the Fourth Proportional to 126,572.63, 174,675.69 and 69,984

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Solution

The fourth proportional to 126,572.63, 174,675.69 and 69,984 is: 96,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,572.63 : 174,675.69 = 69,984 : x
  2. Step 2: Convert to fraction form
    126,572.63/174,675.69 = 69,984/x
  3. Step 3: Cross multiply
    126,572.63x = 174,675.69 × 69,984
  4. Step 4: Simplify right side
    126,572.63x = 12,224,503,488.96
  5. Step 5: Solve for x
    x = 12,224,503,488.96/126,572.63
  6. Step 6: Final answer
    x = 96,580.94

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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.