Home / 85,263.47-127,785.75-40,823.63

Finding the Fourth Proportional to 85,263.47, 127,785.75 and 40,823.63

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Solution

The fourth proportional to 85,263.47, 127,785.75 and 40,823.63 is: 61,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,263.47 : 127,785.75 = 40,823.63 : x
  2. Step 2: Convert to fraction form
    85,263.47/127,785.75 = 40,823.63/x
  3. Step 3: Cross multiply
    85,263.47x = 127,785.75 × 40,823.63
  4. Step 4: Simplify right side
    85,263.47x = 5,216,678,177.27
  5. Step 5: Solve for x
    x = 5,216,678,177.27/85,263.47
  6. Step 6: Final answer
    x = 61,183.04

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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.