Home / 103,511.93-155,267.70-32,440.02

Finding the Fourth Proportional to 103,511.93, 155,267.70 and 32,440.02

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Solution

The fourth proportional to 103,511.93, 155,267.70 and 32,440.02 is: 48,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,511.93 : 155,267.70 = 32,440.02 : x
  2. Step 2: Convert to fraction form
    103,511.93/155,267.70 = 32,440.02/x
  3. Step 3: Cross multiply
    103,511.93x = 155,267.70 × 32,440.02
  4. Step 4: Simplify right side
    103,511.93x = 5,036,886,589.45
  5. Step 5: Solve for x
    x = 5,036,886,589.45/103,511.93
  6. Step 6: Final answer
    x = 48,659.96

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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.