Home / 61,540.56-84,923.52-34,688.64

Finding the Fourth Proportional to 61,540.56, 84,923.52 and 34,688.64

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Solution

The fourth proportional to 61,540.56, 84,923.52 and 34,688.64 is: 47,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,540.56 : 84,923.52 = 34,688.64 : x
  2. Step 2: Convert to fraction form
    61,540.56/84,923.52 = 34,688.64/x
  3. Step 3: Cross multiply
    61,540.56x = 84,923.52 × 34,688.64
  4. Step 4: Simplify right side
    61,540.56x = 2,945,881,412.81
  5. Step 5: Solve for x
    x = 2,945,881,412.81/61,540.56
  6. Step 6: Final answer
    x = 47,868.94

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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.