Home / 70,737.33-97,615.63-40,116.06

Finding the Fourth Proportional to 70,737.33, 97,615.63 and 40,116.06

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Solution

The fourth proportional to 70,737.33, 97,615.63 and 40,116.06 is: 55,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,737.33 : 97,615.63 = 40,116.06 : x
  2. Step 2: Convert to fraction form
    70,737.33/97,615.63 = 40,116.06/x
  3. Step 3: Cross multiply
    70,737.33x = 97,615.63 × 40,116.06
  4. Step 4: Simplify right side
    70,737.33x = 3,915,954,520.16
  5. Step 5: Solve for x
    x = 3,915,954,520.16/70,737.33
  6. Step 6: Final answer
    x = 55,359.09

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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.