Home / 112,749.94-155,593.23-61,762.27

Finding the Fourth Proportional to 112,749.94, 155,593.23 and 61,762.27

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Solution

The fourth proportional to 112,749.94, 155,593.23 and 61,762.27 is: 85,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,749.94 : 155,593.23 = 61,762.27 : x
  2. Step 2: Convert to fraction form
    112,749.94/155,593.23 = 61,762.27/x
  3. Step 3: Cross multiply
    112,749.94x = 155,593.23 × 61,762.27
  4. Step 4: Simplify right side
    112,749.94x = 9,609,791,081.43
  5. Step 5: Solve for x
    x = 9,609,791,081.43/112,749.94
  6. Step 6: Final answer
    x = 85,231.01

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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.