Home / 86,490.21-129,501.61-44,849.73

Finding the Fourth Proportional to 86,490.21, 129,501.61 and 44,849.73

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Solution

The fourth proportional to 86,490.21, 129,501.61 and 44,849.73 is: 67,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490.21 : 129,501.61 = 44,849.73 : x
  2. Step 2: Convert to fraction form
    86,490.21/129,501.61 = 44,849.73/x
  3. Step 3: Cross multiply
    86,490.21x = 129,501.61 × 44,849.73
  4. Step 4: Simplify right side
    86,490.21x = 5,808,112,243.07
  5. Step 5: Solve for x
    x = 5,808,112,243.07/86,490.21
  6. Step 6: Final answer
    x = 67,153.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.