Home / 84,862.38-117,113.73-47,136.63

Finding the Fourth Proportional to 84,862.38, 117,113.73 and 47,136.63

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Solution

The fourth proportional to 84,862.38, 117,113.73 and 47,136.63 is: 65,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,862.38 : 117,113.73 = 47,136.63 : x
  2. Step 2: Convert to fraction form
    84,862.38/117,113.73 = 47,136.63/x
  3. Step 3: Cross multiply
    84,862.38x = 117,113.73 × 47,136.63
  4. Step 4: Simplify right side
    84,862.38x = 5,520,346,558.93
  5. Step 5: Solve for x
    x = 5,520,346,558.93/84,862.38
  6. Step 6: Final answer
    x = 65,050.57

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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.