Home / 72,927.36-109,391.04-23,007.60

Finding the Fourth Proportional to 72,927.36, 109,391.04 and 23,007.60

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Solution

The fourth proportional to 72,927.36, 109,391.04 and 23,007.60 is: 34,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.36 : 109,391.04 = 23,007.60 : x
  2. Step 2: Convert to fraction form
    72,927.36/109,391.04 = 23,007.60/x
  3. Step 3: Cross multiply
    72,927.36x = 109,391.04 × 23,007.60
  4. Step 4: Simplify right side
    72,927.36x = 2,516,825,291.90
  5. Step 5: Solve for x
    x = 2,516,825,291.90/72,927.36
  6. Step 6: Final answer
    x = 34,511.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.