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Finding the Fourth Proportional to 84,152.39, 116,118.79 and 48,342.39

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Solution

The fourth proportional to 84,152.39, 116,118.79 and 48,342.39 is: 66,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,152.39 : 116,118.79 = 48,342.39 : x
  2. Step 2: Convert to fraction form
    84,152.39/116,118.79 = 48,342.39/x
  3. Step 3: Cross multiply
    84,152.39x = 116,118.79 × 48,342.39
  4. Step 4: Simplify right side
    84,152.39x = 5,613,460,391.92
  5. Step 5: Solve for x
    x = 5,613,460,391.92/84,152.39
  6. Step 6: Final answer
    x = 66,705.89

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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.