Home / 104,343.48-143,946.18-61,886.52

Finding the Fourth Proportional to 104,343.48, 143,946.18 and 61,886.52

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Solution

The fourth proportional to 104,343.48, 143,946.18 and 61,886.52 is: 85,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,343.48 : 143,946.18 = 61,886.52 : x
  2. Step 2: Convert to fraction form
    104,343.48/143,946.18 = 61,886.52/x
  3. Step 3: Cross multiply
    104,343.48x = 143,946.18 × 61,886.52
  4. Step 4: Simplify right side
    104,343.48x = 8,908,328,147.49
  5. Step 5: Solve for x
    x = 8,908,328,147.49/104,343.48
  6. Step 6: Final answer
    x = 85,375.03

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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.