Home / 85,496.37-128,258.33-26,332.02

Finding the Fourth Proportional to 85,496.37, 128,258.33 and 26,332.02

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Solution

The fourth proportional to 85,496.37, 128,258.33 and 26,332.02 is: 39,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,496.37 : 128,258.33 = 26,332.02 : x
  2. Step 2: Convert to fraction form
    85,496.37/128,258.33 = 26,332.02/x
  3. Step 3: Cross multiply
    85,496.37x = 128,258.33 × 26,332.02
  4. Step 4: Simplify right side
    85,496.37x = 3,377,300,335.26
  5. Step 5: Solve for x
    x = 3,377,300,335.26/85,496.37
  6. Step 6: Final answer
    x = 39,502.27

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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.