Home / 93,198.18-128,617.12-52,915.69

Finding the Fourth Proportional to 93,198.18, 128,617.12 and 52,915.69

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Solution

The fourth proportional to 93,198.18, 128,617.12 and 52,915.69 is: 73,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198.18 : 128,617.12 = 52,915.69 : x
  2. Step 2: Convert to fraction form
    93,198.18/128,617.12 = 52,915.69/x
  3. Step 3: Cross multiply
    93,198.18x = 128,617.12 × 52,915.69
  4. Step 4: Simplify right side
    93,198.18x = 6,805,863,007.53
  5. Step 5: Solve for x
    x = 6,805,863,007.53/93,198.18
  6. Step 6: Final answer
    x = 73,025.71

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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.