Home / 70,631.50-105,947.04-44,354.68

Finding the Fourth Proportional to 70,631.50, 105,947.04 and 44,354.68

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Solution

The fourth proportional to 70,631.50, 105,947.04 and 44,354.68 is: 66,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,631.50 : 105,947.04 = 44,354.68 : x
  2. Step 2: Convert to fraction form
    70,631.50/105,947.04 = 44,354.68/x
  3. Step 3: Cross multiply
    70,631.50x = 105,947.04 × 44,354.68
  4. Step 4: Simplify right side
    70,631.50x = 4,699,247,056.15
  5. Step 5: Solve for x
    x = 4,699,247,056.15/70,631.50
  6. Step 6: Final answer
    x = 66,531.89

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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.