Home / 70,216.70-96,899.08-38,385.60

Finding the Fourth Proportional to 70,216.70, 96,899.08 and 38,385.60

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Solution

The fourth proportional to 70,216.70, 96,899.08 and 38,385.60 is: 52,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,216.70 : 96,899.08 = 38,385.60 : x
  2. Step 2: Convert to fraction form
    70,216.70/96,899.08 = 38,385.60/x
  3. Step 3: Cross multiply
    70,216.70x = 96,899.08 × 38,385.60
  4. Step 4: Simplify right side
    70,216.70x = 3,719,529,325.25
  5. Step 5: Solve for x
    x = 3,719,529,325.25/70,216.70
  6. Step 6: Final answer
    x = 52,972.15

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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.