Home / 70,135.24-105,203.72-23,388.12

Finding the Fourth Proportional to 70,135.24, 105,203.72 and 23,388.12

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Solution

The fourth proportional to 70,135.24, 105,203.72 and 23,388.12 is: 35,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.24 : 105,203.72 = 23,388.12 : x
  2. Step 2: Convert to fraction form
    70,135.24/105,203.72 = 23,388.12/x
  3. Step 3: Cross multiply
    70,135.24x = 105,203.72 × 23,388.12
  4. Step 4: Simplify right side
    70,135.24x = 2,460,517,227.81
  5. Step 5: Solve for x
    x = 2,460,517,227.81/70,135.24
  6. Step 6: Final answer
    x = 35,082.47

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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.