Home / 117,127.53-175,523.16-66,566.82

Finding the Fourth Proportional to 117,127.53, 175,523.16 and 66,566.82

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Solution

The fourth proportional to 117,127.53, 175,523.16 and 66,566.82 is: 99,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,127.53 : 175,523.16 = 66,566.82 : x
  2. Step 2: Convert to fraction form
    117,127.53/175,523.16 = 66,566.82/x
  3. Step 3: Cross multiply
    117,127.53x = 175,523.16 × 66,566.82
  4. Step 4: Simplify right side
    117,127.53x = 11,684,018,597.55
  5. Step 5: Solve for x
    x = 11,684,018,597.55/117,127.53
  6. Step 6: Final answer
    x = 99,754.67

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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.