Home / 76,001.12-104,879.40-42,467.12

Finding the Fourth Proportional to 76,001.12, 104,879.40 and 42,467.12

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Solution

The fourth proportional to 76,001.12, 104,879.40 and 42,467.12 is: 58,603.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,001.12 : 104,879.40 = 42,467.12 : x
  2. Step 2: Convert to fraction form
    76,001.12/104,879.40 = 42,467.12/x
  3. Step 3: Cross multiply
    76,001.12x = 104,879.40 × 42,467.12
  4. Step 4: Simplify right side
    76,001.12x = 4,453,926,065.33
  5. Step 5: Solve for x
    x = 4,453,926,065.33/76,001.12
  6. Step 6: Final answer
    x = 58,603.43

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1.5x scale

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.