Home / 70,329.12-105,474.24-48,140.16

Finding the Fourth Proportional to 70,329.12, 105,474.24 and 48,140.16

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Solution

The fourth proportional to 70,329.12, 105,474.24 and 48,140.16 is: 72,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.12 : 105,474.24 = 48,140.16 : x
  2. Step 2: Convert to fraction form
    70,329.12/105,474.24 = 48,140.16/x
  3. Step 3: Cross multiply
    70,329.12x = 105,474.24 × 48,140.16
  4. Step 4: Simplify right side
    70,329.12x = 5,077,546,789.48
  5. Step 5: Solve for x
    x = 5,077,546,789.48/70,329.12
  6. Step 6: Final answer
    x = 72,196.93

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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.