Home / 70,370.82-97,099.29-40,151.34

Finding the Fourth Proportional to 70,370.82, 97,099.29 and 40,151.34

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Solution

The fourth proportional to 70,370.82, 97,099.29 and 40,151.34 is: 55,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.82 : 97,099.29 = 40,151.34 : x
  2. Step 2: Convert to fraction form
    70,370.82/97,099.29 = 40,151.34/x
  3. Step 3: Cross multiply
    70,370.82x = 97,099.29 × 40,151.34
  4. Step 4: Simplify right side
    70,370.82x = 3,898,666,606.55
  5. Step 5: Solve for x
    x = 3,898,666,606.55/70,370.82
  6. Step 6: Final answer
    x = 55,401.75

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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.