Home / 70,370.48-97,087.17-40,134.07

Finding the Fourth Proportional to 70,370.48, 97,087.17 and 40,134.07

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Solution

The fourth proportional to 70,370.48, 97,087.17 and 40,134.07 is: 55,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.48 : 97,087.17 = 40,134.07 : x
  2. Step 2: Convert to fraction form
    70,370.48/97,087.17 = 40,134.07/x
  3. Step 3: Cross multiply
    70,370.48x = 97,087.17 × 40,134.07
  4. Step 4: Simplify right side
    70,370.48x = 3,896,503,276.88
  5. Step 5: Solve for x
    x = 3,896,503,276.88/70,370.48
  6. Step 6: Final answer
    x = 55,371.28

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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.