Home / 69,880.74-96,434.16-38,049.12

Finding the Fourth Proportional to 69,880.74, 96,434.16 and 38,049.12

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Solution

The fourth proportional to 69,880.74, 96,434.16 and 38,049.12 is: 52,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,880.74 : 96,434.16 = 38,049.12 : x
  2. Step 2: Convert to fraction form
    69,880.74/96,434.16 = 38,049.12/x
  3. Step 3: Cross multiply
    69,880.74x = 96,434.16 × 38,049.12
  4. Step 4: Simplify right side
    69,880.74x = 3,669,234,925.94
  5. Step 5: Solve for x
    x = 3,669,234,925.94/69,880.74
  6. Step 6: Final answer
    x = 52,507.10

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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.