Home / 61,683.09-85,126.60-34,815.79

Finding the Fourth Proportional to 61,683.09, 85,126.60 and 34,815.79

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Solution

The fourth proportional to 61,683.09, 85,126.60 and 34,815.79 is: 48,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683.09 : 85,126.60 = 34,815.79 : x
  2. Step 2: Convert to fraction form
    61,683.09/85,126.60 = 34,815.79/x
  3. Step 3: Cross multiply
    61,683.09x = 85,126.60 × 34,815.79
  4. Step 4: Simplify right side
    61,683.09x = 2,963,749,783.10
  5. Step 5: Solve for x
    x = 2,963,749,783.10/61,683.09
  6. Step 6: Final answer
    x = 48,048.01

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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.