Home / 76,069.43-104,973.81-42,077.07

Finding the Fourth Proportional to 76,069.43, 104,973.81 and 42,077.07

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Solution

The fourth proportional to 76,069.43, 104,973.81 and 42,077.07 is: 58,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,069.43 : 104,973.81 = 42,077.07 : x
  2. Step 2: Convert to fraction form
    76,069.43/104,973.81 = 42,077.07/x
  3. Step 3: Cross multiply
    76,069.43x = 104,973.81 × 42,077.07
  4. Step 4: Simplify right side
    76,069.43x = 4,416,990,193.75
  5. Step 5: Solve for x
    x = 4,416,990,193.75/76,069.43
  6. Step 6: Final answer
    x = 58,065.25

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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.