Home / 52,085.66-78,136.70-18,802.26

Finding the Fourth Proportional to 52,085.66, 78,136.70 and 18,802.26

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Solution

The fourth proportional to 52,085.66, 78,136.70 and 18,802.26 is: 28,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.66 : 78,136.70 = 18,802.26 : x
  2. Step 2: Convert to fraction form
    52,085.66/78,136.70 = 18,802.26/x
  3. Step 3: Cross multiply
    52,085.66x = 78,136.70 × 18,802.26
  4. Step 4: Simplify right side
    52,085.66x = 1,469,146,454.93
  5. Step 5: Solve for x
    x = 1,469,146,454.93/52,085.66
  6. Step 6: Final answer
    x = 28,206.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.