Home / 84,728.40-116,924.84-47,002.66

Finding the Fourth Proportional to 84,728.40, 116,924.84 and 47,002.66

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Solution

The fourth proportional to 84,728.40, 116,924.84 and 47,002.66 is: 64,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728.40 : 116,924.84 = 47,002.66 : x
  2. Step 2: Convert to fraction form
    84,728.40/116,924.84 = 47,002.66/x
  3. Step 3: Cross multiply
    84,728.40x = 116,924.84 × 47,002.66
  4. Step 4: Simplify right side
    84,728.40x = 5,495,778,500.07
  5. Step 5: Solve for x
    x = 5,495,778,500.07/84,728.40
  6. Step 6: Final answer
    x = 64,863.48

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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.