Home / 85,496.04-128,245.88-29,335.70

Finding the Fourth Proportional to 85,496.04, 128,245.88 and 29,335.70

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Solution

The fourth proportional to 85,496.04, 128,245.88 and 29,335.70 is: 44,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,496.04 : 128,245.88 = 29,335.70 : x
  2. Step 2: Convert to fraction form
    85,496.04/128,245.88 = 29,335.70/x
  3. Step 3: Cross multiply
    85,496.04x = 128,245.88 × 29,335.70
  4. Step 4: Simplify right side
    85,496.04x = 3,762,183,055.87
  5. Step 5: Solve for x
    x = 3,762,183,055.87/85,496.04
  6. Step 6: Final answer
    x = 44,004.18

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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.