Home / 105,590.66-145,715.37-57,844.94

Finding the Fourth Proportional to 105,590.66, 145,715.37 and 57,844.94

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Solution

The fourth proportional to 105,590.66, 145,715.37 and 57,844.94 is: 79,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,590.66 : 145,715.37 = 57,844.94 : x
  2. Step 2: Convert to fraction form
    105,590.66/145,715.37 = 57,844.94/x
  3. Step 3: Cross multiply
    105,590.66x = 145,715.37 × 57,844.94
  4. Step 4: Simplify right side
    105,590.66x = 8,428,896,834.73
  5. Step 5: Solve for x
    x = 8,428,896,834.73/105,590.66
  6. Step 6: Final answer
    x = 79,826.16

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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.