Home / 48,127.26-71,711.21-42,889.80

Finding the Fourth Proportional to 48,127.26, 71,711.21 and 42,889.80

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Solution

The fourth proportional to 48,127.26, 71,711.21 and 42,889.80 is: 63,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,127.26 : 71,711.21 = 42,889.80 : x
  2. Step 2: Convert to fraction form
    48,127.26/71,711.21 = 42,889.80/x
  3. Step 3: Cross multiply
    48,127.26x = 71,711.21 × 42,889.80
  4. Step 4: Simplify right side
    48,127.26x = 3,075,679,240.21
  5. Step 5: Solve for x
    x = 3,075,679,240.21/48,127.26
  6. Step 6: Final answer
    x = 63,907.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.