Home / 83,816.27-115,666.60-45,575.79

Finding the Fourth Proportional to 83,816.27, 115,666.60 and 45,575.79

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Solution

The fourth proportional to 83,816.27, 115,666.60 and 45,575.79 is: 62,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.27 : 115,666.60 = 45,575.79 : x
  2. Step 2: Convert to fraction form
    83,816.27/115,666.60 = 45,575.79/x
  3. Step 3: Cross multiply
    83,816.27x = 115,666.60 × 45,575.79
  4. Step 4: Simplify right side
    83,816.27x = 5,271,596,671.61
  5. Step 5: Solve for x
    x = 5,271,596,671.61/83,816.27
  6. Step 6: Final answer
    x = 62,894.67

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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.