Home / 90,030.99-135,046.55-23,470.95

Finding the Fourth Proportional to 90,030.99, 135,046.55 and 23,470.95

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Solution

The fourth proportional to 90,030.99, 135,046.55 and 23,470.95 is: 35,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,030.99 : 135,046.55 = 23,470.95 : x
  2. Step 2: Convert to fraction form
    90,030.99/135,046.55 = 23,470.95/x
  3. Step 3: Cross multiply
    90,030.99x = 135,046.55 × 23,470.95
  4. Step 4: Simplify right side
    90,030.99x = 3,169,670,705.37
  5. Step 5: Solve for x
    x = 3,169,670,705.37/90,030.99
  6. Step 6: Final answer
    x = 35,206.44

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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.