Home / 70,601.12-105,911.28-23,867.36

Finding the Fourth Proportional to 70,601.12, 105,911.28 and 23,867.36

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Solution

The fourth proportional to 70,601.12, 105,911.28 and 23,867.36 is: 35,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.12 : 105,911.28 = 23,867.36 : x
  2. Step 2: Convert to fraction form
    70,601.12/105,911.28 = 23,867.36/x
  3. Step 3: Cross multiply
    70,601.12x = 105,911.28 × 23,867.36
  4. Step 4: Simplify right side
    70,601.12x = 2,527,822,647.82
  5. Step 5: Solve for x
    x = 2,527,822,647.82/70,601.12
  6. Step 6: Final answer
    x = 35,804.29

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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.