Home / 85,532.03-128,260.91-32,904.57

Finding the Fourth Proportional to 85,532.03, 128,260.91 and 32,904.57

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Solution

The fourth proportional to 85,532.03, 128,260.91 and 32,904.57 is: 49,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532.03 : 128,260.91 = 32,904.57 : x
  2. Step 2: Convert to fraction form
    85,532.03/128,260.91 = 32,904.57/x
  3. Step 3: Cross multiply
    85,532.03x = 128,260.91 × 32,904.57
  4. Step 4: Simplify right side
    85,532.03x = 4,220,370,091.36
  5. Step 5: Solve for x
    x = 4,220,370,091.36/85,532.03
  6. Step 6: Final answer
    x = 49,342.57

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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.