Home / 85,332.37-128,000.40-26,166.73

Finding the Fourth Proportional to 85,332.37, 128,000.40 and 26,166.73

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Solution

The fourth proportional to 85,332.37, 128,000.40 and 26,166.73 is: 39,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,332.37 : 128,000.40 = 26,166.73 : x
  2. Step 2: Convert to fraction form
    85,332.37/128,000.40 = 26,166.73/x
  3. Step 3: Cross multiply
    85,332.37x = 128,000.40 × 26,166.73
  4. Step 4: Simplify right side
    85,332.37x = 3,349,351,906.69
  5. Step 5: Solve for x
    x = 3,349,351,906.69/85,332.37
  6. Step 6: Final answer
    x = 39,250.66

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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.