Home / 70,785.32-97,683.76-38,954.22

Finding the Fourth Proportional to 70,785.32, 97,683.76 and 38,954.22

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Solution

The fourth proportional to 70,785.32, 97,683.76 and 38,954.22 is: 53,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,785.32 : 97,683.76 = 38,954.22 : x
  2. Step 2: Convert to fraction form
    70,785.32/97,683.76 = 38,954.22/x
  3. Step 3: Cross multiply
    70,785.32x = 97,683.76 × 38,954.22
  4. Step 4: Simplify right side
    70,785.32x = 3,805,194,836.28
  5. Step 5: Solve for x
    x = 3,805,194,836.28/70,785.32
  6. Step 6: Final answer
    x = 53,756.83

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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.