Home / 70,058.09-96,682.30-39,847.76

Finding the Fourth Proportional to 70,058.09, 96,682.30 and 39,847.76

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Solution

The fourth proportional to 70,058.09, 96,682.30 and 39,847.76 is: 54,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,058.09 : 96,682.30 = 39,847.76 : x
  2. Step 2: Convert to fraction form
    70,058.09/96,682.30 = 39,847.76/x
  3. Step 3: Cross multiply
    70,058.09x = 96,682.30 × 39,847.76
  4. Step 4: Simplify right side
    70,058.09x = 3,852,573,522.09
  5. Step 5: Solve for x
    x = 3,852,573,522.09/70,058.09
  6. Step 6: Final answer
    x = 54,991.13

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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.