Home / 85,496.87-128,259.08-26,332.52

Finding the Fourth Proportional to 85,496.87, 128,259.08 and 26,332.52

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Solution

The fourth proportional to 85,496.87, 128,259.08 and 26,332.52 is: 39,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,496.87 : 128,259.08 = 26,332.52 : x
  2. Step 2: Convert to fraction form
    85,496.87/128,259.08 = 26,332.52/x
  3. Step 3: Cross multiply
    85,496.87x = 128,259.08 × 26,332.52
  4. Step 4: Simplify right side
    85,496.87x = 3,377,384,213.82
  5. Step 5: Solve for x
    x = 3,377,384,213.82/85,496.87
  6. Step 6: Final answer
    x = 39,503.02

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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.