Home / 83,136.16-114,726.24-47,325.40

Finding the Fourth Proportional to 83,136.16, 114,726.24 and 47,325.40

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Solution

The fourth proportional to 83,136.16, 114,726.24 and 47,325.40 is: 65,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136.16 : 114,726.24 = 47,325.40 : x
  2. Step 2: Convert to fraction form
    83,136.16/114,726.24 = 47,325.40/x
  3. Step 3: Cross multiply
    83,136.16x = 114,726.24 × 47,325.40
  4. Step 4: Simplify right side
    83,136.16x = 5,429,465,198.50
  5. Step 5: Solve for x
    x = 5,429,465,198.50/83,136.16
  6. Step 6: Final answer
    x = 65,308.11

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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.