Home / 83,417.65-115,118.21-47,606.94

Finding the Fourth Proportional to 83,417.65, 115,118.21 and 47,606.94

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Solution

The fourth proportional to 83,417.65, 115,118.21 and 47,606.94 is: 65,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417.65 : 115,118.21 = 47,606.94 : x
  2. Step 2: Convert to fraction form
    83,417.65/115,118.21 = 47,606.94/x
  3. Step 3: Cross multiply
    83,417.65x = 115,118.21 × 47,606.94
  4. Step 4: Simplify right side
    83,417.65x = 5,480,425,835.39
  5. Step 5: Solve for x
    x = 5,480,425,835.39/83,417.65
  6. Step 6: Final answer
    x = 65,698.64

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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.