Home / 127,172.45-175,506.17-70,583.82

Finding the Fourth Proportional to 127,172.45, 175,506.17 and 70,583.82

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Solution

The fourth proportional to 127,172.45, 175,506.17 and 70,583.82 is: 97,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,172.45 : 175,506.17 = 70,583.82 : x
  2. Step 2: Convert to fraction form
    127,172.45/175,506.17 = 70,583.82/x
  3. Step 3: Cross multiply
    127,172.45x = 175,506.17 × 70,583.82
  4. Step 4: Simplify right side
    127,172.45x = 12,387,895,559.25
  5. Step 5: Solve for x
    x = 12,387,895,559.25/127,172.45
  6. Step 6: Final answer
    x = 97,410.22

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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.