Home / 83,683.24-115,483.50-47,871.04

Finding the Fourth Proportional to 83,683.24, 115,483.50 and 47,871.04

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Solution

The fourth proportional to 83,683.24, 115,483.50 and 47,871.04 is: 66,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,683.24 : 115,483.50 = 47,871.04 : x
  2. Step 2: Convert to fraction form
    83,683.24/115,483.50 = 47,871.04/x
  3. Step 3: Cross multiply
    83,683.24x = 115,483.50 × 47,871.04
  4. Step 4: Simplify right side
    83,683.24x = 5,528,315,247.84
  5. Step 5: Solve for x
    x = 5,528,315,247.84/83,683.24
  6. Step 6: Final answer
    x = 66,062.39

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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.