Home / 89,799.89-134,699.83-39,868.25

Finding the Fourth Proportional to 89,799.89, 134,699.83 and 39,868.25

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Solution

The fourth proportional to 89,799.89, 134,699.83 and 39,868.25 is: 59,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.89 : 134,699.83 = 39,868.25 : x
  2. Step 2: Convert to fraction form
    89,799.89/134,699.83 = 39,868.25/x
  3. Step 3: Cross multiply
    89,799.89x = 134,699.83 × 39,868.25
  4. Step 4: Simplify right side
    89,799.89x = 5,370,245,724.23
  5. Step 5: Solve for x
    x = 5,370,245,724.23/89,799.89
  6. Step 6: Final answer
    x = 59,802.37

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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.