Home / 103,010.22-142,142.10-59,999.14

Finding the Fourth Proportional to 103,010.22, 142,142.10 and 59,999.14

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Solution

The fourth proportional to 103,010.22, 142,142.10 and 59,999.14 is: 82,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,010.22 : 142,142.10 = 59,999.14 : x
  2. Step 2: Convert to fraction form
    103,010.22/142,142.10 = 59,999.14/x
  3. Step 3: Cross multiply
    103,010.22x = 142,142.10 × 59,999.14
  4. Step 4: Simplify right side
    103,010.22x = 8,528,403,757.79
  5. Step 5: Solve for x
    x = 8,528,403,757.79/103,010.22
  6. Step 6: Final answer
    x = 82,791.82

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1.5x scale

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.