Home / 73,007.14-100,771.40-42,799

Finding the Fourth Proportional to 73,007.14, 100,771.40 and 42,799

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Solution

The fourth proportional to 73,007.14, 100,771.40 and 42,799 is: 59,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007.14 : 100,771.40 = 42,799 : x
  2. Step 2: Convert to fraction form
    73,007.14/100,771.40 = 42,799/x
  3. Step 3: Cross multiply
    73,007.14x = 100,771.40 × 42,799
  4. Step 4: Simplify right side
    73,007.14x = 4,312,915,148.60
  5. Step 5: Solve for x
    x = 4,312,915,148.60/73,007.14
  6. Step 6: Final answer
    x = 59,075.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.