Home / 106,938.01-147,561.48-61,630.66

Finding the Fourth Proportional to 106,938.01, 147,561.48 and 61,630.66

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Solution

The fourth proportional to 106,938.01, 147,561.48 and 61,630.66 is: 85,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.01 : 147,561.48 = 61,630.66 : x
  2. Step 2: Convert to fraction form
    106,938.01/147,561.48 = 61,630.66/x
  3. Step 3: Cross multiply
    106,938.01x = 147,561.48 × 61,630.66
  4. Step 4: Simplify right side
    106,938.01x = 9,094,311,402.98
  5. Step 5: Solve for x
    x = 9,094,311,402.98/106,938.01
  6. Step 6: Final answer
    x = 85,042.83

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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.