Home / 124,706.74-172,084.14-76,975.46

Finding the Fourth Proportional to 124,706.74, 172,084.14 and 76,975.46

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Solution

The fourth proportional to 124,706.74, 172,084.14 and 76,975.46 is: 106,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,706.74 : 172,084.14 = 76,975.46 : x
  2. Step 2: Convert to fraction form
    124,706.74/172,084.14 = 76,975.46/x
  3. Step 3: Cross multiply
    124,706.74x = 172,084.14 × 76,975.46
  4. Step 4: Simplify right side
    124,706.74x = 13,246,255,835.20
  5. Step 5: Solve for x
    x = 13,246,255,835.20/124,706.74
  6. Step 6: Final answer
    x = 106,219.25

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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.