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Finding the Fourth Proportional to 84,551.60, 116,681.12 and 46,825.84

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Solution

The fourth proportional to 84,551.60, 116,681.12 and 46,825.84 is: 64,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,551.60 : 116,681.12 = 46,825.84 : x
  2. Step 2: Convert to fraction form
    84,551.60/116,681.12 = 46,825.84/x
  3. Step 3: Cross multiply
    84,551.60x = 116,681.12 × 46,825.84
  4. Step 4: Simplify right side
    84,551.60x = 5,463,691,456.14
  5. Step 5: Solve for x
    x = 5,463,691,456.14/84,551.60
  6. Step 6: Final answer
    x = 64,619.61

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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.