Home / 70,171.19-96,835.10-38,339.40

Finding the Fourth Proportional to 70,171.19, 96,835.10 and 38,339.40

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Solution

The fourth proportional to 70,171.19, 96,835.10 and 38,339.40 is: 52,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171.19 : 96,835.10 = 38,339.40 : x
  2. Step 2: Convert to fraction form
    70,171.19/96,835.10 = 38,339.40/x
  3. Step 3: Cross multiply
    70,171.19x = 96,835.10 × 38,339.40
  4. Step 4: Simplify right side
    70,171.19x = 3,712,599,441.24
  5. Step 5: Solve for x
    x = 3,712,599,441.24/70,171.19
  6. Step 6: Final answer
    x = 52,907.75

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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.