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Finding the Fourth Proportional to 84,394.74, 116,453.46 and 46,671.42

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Solution

The fourth proportional to 84,394.74, 116,453.46 and 46,671.42 is: 64,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,394.74 : 116,453.46 = 46,671.42 : x
  2. Step 2: Convert to fraction form
    84,394.74/116,453.46 = 46,671.42/x
  3. Step 3: Cross multiply
    84,394.74x = 116,453.46 × 46,671.42
  4. Step 4: Simplify right side
    84,394.74x = 5,435,047,774.36
  5. Step 5: Solve for x
    x = 5,435,047,774.36/84,394.74
  6. Step 6: Final answer
    x = 64,400.32

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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.