Home / 47,136.19-70,755.51-19,075.57

Finding the Fourth Proportional to 47,136.19, 70,755.51 and 19,075.57

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Solution

The fourth proportional to 47,136.19, 70,755.51 and 19,075.57 is: 28,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.19 : 70,755.51 = 19,075.57 : x
  2. Step 2: Convert to fraction form
    47,136.19/70,755.51 = 19,075.57/x
  3. Step 3: Cross multiply
    47,136.19x = 70,755.51 × 19,075.57
  4. Step 4: Simplify right side
    47,136.19x = 1,349,701,683.89
  5. Step 5: Solve for x
    x = 1,349,701,683.89/47,136.19
  6. Step 6: Final answer
    x = 28,634.09

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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.