Home / 73,050.24-100,810.80-42,858.72

Finding the Fourth Proportional to 73,050.24, 100,810.80 and 42,858.72

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Solution

The fourth proportional to 73,050.24, 100,810.80 and 42,858.72 is: 59,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,050.24 : 100,810.80 = 42,858.72 : x
  2. Step 2: Convert to fraction form
    73,050.24/100,810.80 = 42,858.72/x
  3. Step 3: Cross multiply
    73,050.24x = 100,810.80 × 42,858.72
  4. Step 4: Simplify right side
    73,050.24x = 4,320,621,850.18
  5. Step 5: Solve for x
    x = 4,320,621,850.18/73,050.24
  6. Step 6: Final answer
    x = 59,145.90

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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.