Home / 84,376.60-116,465.64-48,590.46

Finding the Fourth Proportional to 84,376.60, 116,465.64 and 48,590.46

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Solution

The fourth proportional to 84,376.60, 116,465.64 and 48,590.46 is: 67,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,376.60 : 116,465.64 = 48,590.46 : x
  2. Step 2: Convert to fraction form
    84,376.60/116,465.64 = 48,590.46/x
  3. Step 3: Cross multiply
    84,376.60x = 116,465.64 × 48,590.46
  4. Step 4: Simplify right side
    84,376.60x = 5,659,119,021.79
  5. Step 5: Solve for x
    x = 5,659,119,021.79/84,376.60
  6. Step 6: Final answer
    x = 67,069.77

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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.