Home / 106,570.69-147,072.45-61,263.34

Finding the Fourth Proportional to 106,570.69, 147,072.45 and 61,263.34

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Solution

The fourth proportional to 106,570.69, 147,072.45 and 61,263.34 is: 84,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,570.69 : 147,072.45 = 61,263.34 : x
  2. Step 2: Convert to fraction form
    106,570.69/147,072.45 = 61,263.34/x
  3. Step 3: Cross multiply
    106,570.69x = 147,072.45 × 61,263.34
  4. Step 4: Simplify right side
    106,570.69x = 9,010,149,508.98
  5. Step 5: Solve for x
    x = 9,010,149,508.98/106,570.69
  6. Step 6: Final answer
    x = 84,546.22

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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.