Home / 70,601.10-97,429.50-38,772.04

Finding the Fourth Proportional to 70,601.10, 97,429.50 and 38,772.04

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Solution

The fourth proportional to 70,601.10, 97,429.50 and 38,772.04 is: 53,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.10 : 97,429.50 = 38,772.04 : x
  2. Step 2: Convert to fraction form
    70,601.10/97,429.50 = 38,772.04/x
  3. Step 3: Cross multiply
    70,601.10x = 97,429.50 × 38,772.04
  4. Step 4: Simplify right side
    70,601.10x = 3,777,540,471.18
  5. Step 5: Solve for x
    x = 3,777,540,471.18/70,601.10
  6. Step 6: Final answer
    x = 53,505.41

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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.