Home / 70,325.42-105,441.26-38,750.31

Finding the Fourth Proportional to 70,325.42, 105,441.26 and 38,750.31

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Solution

The fourth proportional to 70,325.42, 105,441.26 and 38,750.31 is: 58,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,325.42 : 105,441.26 = 38,750.31 : x
  2. Step 2: Convert to fraction form
    70,325.42/105,441.26 = 38,750.31/x
  3. Step 3: Cross multiply
    70,325.42x = 105,441.26 × 38,750.31
  4. Step 4: Simplify right side
    70,325.42x = 4,085,881,318.04
  5. Step 5: Solve for x
    x = 4,085,881,318.04/70,325.42
  6. Step 6: Final answer
    x = 58,099.64

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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.