Home / 80,075.16-119,937.78-40,564.44

Finding the Fourth Proportional to 80,075.16, 119,937.78 and 40,564.44

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Solution

The fourth proportional to 80,075.16, 119,937.78 and 40,564.44 is: 60,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,075.16 : 119,937.78 = 40,564.44 : x
  2. Step 2: Convert to fraction form
    80,075.16/119,937.78 = 40,564.44/x
  3. Step 3: Cross multiply
    80,075.16x = 119,937.78 × 40,564.44
  4. Step 4: Simplify right side
    80,075.16x = 4,865,208,880.54
  5. Step 5: Solve for x
    x = 4,865,208,880.54/80,075.16
  6. Step 6: Final answer
    x = 60,758.03

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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.