Home / 70,606.40-97,438.48-38,773.44

Finding the Fourth Proportional to 70,606.40, 97,438.48 and 38,773.44

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Solution

The fourth proportional to 70,606.40, 97,438.48 and 38,773.44 is: 53,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.40 : 97,438.48 = 38,773.44 : x
  2. Step 2: Convert to fraction form
    70,606.40/97,438.48 = 38,773.44/x
  3. Step 3: Cross multiply
    70,606.40x = 97,438.48 × 38,773.44
  4. Step 4: Simplify right side
    70,606.40x = 3,778,025,057.97
  5. Step 5: Solve for x
    x = 3,778,025,057.97/70,606.40
  6. Step 6: Final answer
    x = 53,508.25

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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.