Home / 70,352.64-97,084.40-38,519.64

Finding the Fourth Proportional to 70,352.64, 97,084.40 and 38,519.64

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Solution

The fourth proportional to 70,352.64, 97,084.40 and 38,519.64 is: 53,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,352.64 : 97,084.40 = 38,519.64 : x
  2. Step 2: Convert to fraction form
    70,352.64/97,084.40 = 38,519.64/x
  3. Step 3: Cross multiply
    70,352.64x = 97,084.40 × 38,519.64
  4. Step 4: Simplify right side
    70,352.64x = 3,739,656,137.62
  5. Step 5: Solve for x
    x = 3,739,656,137.62/70,352.64
  6. Step 6: Final answer
    x = 53,155.87

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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.