Home / 85,234.50-127,831.22-26,070.68

Finding the Fourth Proportional to 85,234.50, 127,831.22 and 26,070.68

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Solution

The fourth proportional to 85,234.50, 127,831.22 and 26,070.68 is: 39,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,234.50 : 127,831.22 = 26,070.68 : x
  2. Step 2: Convert to fraction form
    85,234.50/127,831.22 = 26,070.68/x
  3. Step 3: Cross multiply
    85,234.50x = 127,831.22 × 26,070.68
  4. Step 4: Simplify right side
    85,234.50x = 3,332,646,830.63
  5. Step 5: Solve for x
    x = 3,332,646,830.63/85,234.50
  6. Step 6: Final answer
    x = 39,099.74

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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.