Home / 85,139.24-117,491.18-46,898.06

Finding the Fourth Proportional to 85,139.24, 117,491.18 and 46,898.06

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Solution

The fourth proportional to 85,139.24, 117,491.18 and 46,898.06 is: 64,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,139.24 : 117,491.18 = 46,898.06 : x
  2. Step 2: Convert to fraction form
    85,139.24/117,491.18 = 46,898.06/x
  3. Step 3: Cross multiply
    85,139.24x = 117,491.18 × 46,898.06
  4. Step 4: Simplify right side
    85,139.24x = 5,510,107,587.16
  5. Step 5: Solve for x
    x = 5,510,107,587.16/85,139.24
  6. Step 6: Final answer
    x = 64,718.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.