Home / 70,324.12-97,043.57-38,486.87

Finding the Fourth Proportional to 70,324.12, 97,043.57 and 38,486.87

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Solution

The fourth proportional to 70,324.12, 97,043.57 and 38,486.87 is: 53,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.12 : 97,043.57 = 38,486.87 : x
  2. Step 2: Convert to fraction form
    70,324.12/97,043.57 = 38,486.87/x
  3. Step 3: Cross multiply
    70,324.12x = 97,043.57 × 38,486.87
  4. Step 4: Simplify right side
    70,324.12x = 3,734,903,366.45
  5. Step 5: Solve for x
    x = 3,734,903,366.45/70,324.12
  6. Step 6: Final answer
    x = 53,109.85

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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.