Home / 86,551.08-119,446.02-48,811.56

Finding the Fourth Proportional to 86,551.08, 119,446.02 and 48,811.56

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Solution

The fourth proportional to 86,551.08, 119,446.02 and 48,811.56 is: 67,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551.08 : 119,446.02 = 48,811.56 : x
  2. Step 2: Convert to fraction form
    86,551.08/119,446.02 = 48,811.56/x
  3. Step 3: Cross multiply
    86,551.08x = 119,446.02 × 48,811.56
  4. Step 4: Simplify right side
    86,551.08x = 5,830,346,571.99
  5. Step 5: Solve for x
    x = 5,830,346,571.99/86,551.08
  6. Step 6: Final answer
    x = 67,363.07

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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.