Home / 70,007.04-104,993.55-20,075.40

Finding the Fourth Proportional to 70,007.04, 104,993.55 and 20,075.40

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Solution

The fourth proportional to 70,007.04, 104,993.55 and 20,075.40 is: 30,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.04 : 104,993.55 = 20,075.40 : x
  2. Step 2: Convert to fraction form
    70,007.04/104,993.55 = 20,075.40/x
  3. Step 3: Cross multiply
    70,007.04x = 104,993.55 × 20,075.40
  4. Step 4: Simplify right side
    70,007.04x = 2,107,787,513.67
  5. Step 5: Solve for x
    x = 2,107,787,513.67/70,007.04
  6. Step 6: Final answer
    x = 30,108.22

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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.