Home / 84,379.47-116,442.39-46,139.14

Finding the Fourth Proportional to 84,379.47, 116,442.39 and 46,139.14

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Solution

The fourth proportional to 84,379.47, 116,442.39 and 46,139.14 is: 63,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,379.47 : 116,442.39 = 46,139.14 : x
  2. Step 2: Convert to fraction form
    84,379.47/116,442.39 = 46,139.14/x
  3. Step 3: Cross multiply
    84,379.47x = 116,442.39 × 46,139.14
  4. Step 4: Simplify right side
    84,379.47x = 5,372,551,734.14
  5. Step 5: Solve for x
    x = 5,372,551,734.14/84,379.47
  6. Step 6: Final answer
    x = 63,671.31

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1.5x scale

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.