Home / 62,838.40-86,758.75-48,276.65

Finding the Fourth Proportional to 62,838.40, 86,758.75 and 48,276.65

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Solution

The fourth proportional to 62,838.40, 86,758.75 and 48,276.65 is: 66,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,838.40 : 86,758.75 = 48,276.65 : x
  2. Step 2: Convert to fraction form
    62,838.40/86,758.75 = 48,276.65/x
  3. Step 3: Cross multiply
    62,838.40x = 86,758.75 × 48,276.65
  4. Step 4: Simplify right side
    62,838.40x = 4,188,421,506.89
  5. Step 5: Solve for x
    x = 4,188,421,506.89/62,838.40
  6. Step 6: Final answer
    x = 66,653.85

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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.