Home / 85,498.00-128,260.78-26,333.64

Finding the Fourth Proportional to 85,498.00, 128,260.78 and 26,333.64

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Solution

The fourth proportional to 85,498.00, 128,260.78 and 26,333.64 is: 39,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,498.00 : 128,260.78 = 26,333.64 : x
  2. Step 2: Convert to fraction form
    85,498.00/128,260.78 = 26,333.64/x
  3. Step 3: Cross multiply
    85,498.00x = 128,260.78 × 26,333.64
  4. Step 4: Simplify right side
    85,498.00x = 3,377,573,140.81
  5. Step 5: Solve for x
    x = 3,377,573,140.81/85,498.00
  6. Step 6: Final answer
    x = 39,504.70

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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.