Home / 91,351.72-126,058.36-55,536.76

Finding the Fourth Proportional to 91,351.72, 126,058.36 and 55,536.76

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Solution

The fourth proportional to 91,351.72, 126,058.36 and 55,536.76 is: 76,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,351.72 : 126,058.36 = 55,536.76 : x
  2. Step 2: Convert to fraction form
    91,351.72/126,058.36 = 55,536.76/x
  3. Step 3: Cross multiply
    91,351.72x = 126,058.36 × 55,536.76
  4. Step 4: Simplify right side
    91,351.72x = 7,000,872,885.31
  5. Step 5: Solve for x
    x = 7,000,872,885.31/91,351.72
  6. Step 6: Final answer
    x = 76,636.46

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1.5x scale

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.