Home / 70,147.37-96,800.55-38,317.40

Finding the Fourth Proportional to 70,147.37, 96,800.55 and 38,317.40

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Solution

The fourth proportional to 70,147.37, 96,800.55 and 38,317.40 is: 52,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,147.37 : 96,800.55 = 38,317.40 : x
  2. Step 2: Convert to fraction form
    70,147.37/96,800.55 = 38,317.40/x
  3. Step 3: Cross multiply
    70,147.37x = 96,800.55 × 38,317.40
  4. Step 4: Simplify right side
    70,147.37x = 3,709,144,910.57
  5. Step 5: Solve for x
    x = 3,709,144,910.57/70,147.37
  6. Step 6: Final answer
    x = 52,876.47

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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.