Home / 76,368.15-114,506.16-34,240.61

Finding the Fourth Proportional to 76,368.15, 114,506.16 and 34,240.61

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Solution

The fourth proportional to 76,368.15, 114,506.16 and 34,240.61 is: 51,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,368.15 : 114,506.16 = 34,240.61 : x
  2. Step 2: Convert to fraction form
    76,368.15/114,506.16 = 34,240.61/x
  3. Step 3: Cross multiply
    76,368.15x = 114,506.16 × 34,240.61
  4. Step 4: Simplify right side
    76,368.15x = 3,920,760,194.63
  5. Step 5: Solve for x
    x = 3,920,760,194.63/76,368.15
  6. Step 6: Final answer
    x = 51,340.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.