Home / 76,950.30-106,148.73-45,113.07

Finding the Fourth Proportional to 76,950.30, 106,148.73 and 45,113.07

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Solution

The fourth proportional to 76,950.30, 106,148.73 and 45,113.07 is: 62,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,950.30 : 106,148.73 = 45,113.07 : x
  2. Step 2: Convert to fraction form
    76,950.30/106,148.73 = 45,113.07/x
  3. Step 3: Cross multiply
    76,950.30x = 106,148.73 × 45,113.07
  4. Step 4: Simplify right side
    76,950.30x = 4,788,695,086.90
  5. Step 5: Solve for x
    x = 4,788,695,086.90/76,950.30
  6. Step 6: Final answer
    x = 62,231.01

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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.