Home / 89,802.50-134,704.44-39,869.18

Finding the Fourth Proportional to 89,802.50, 134,704.44 and 39,869.18

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Solution

The fourth proportional to 89,802.50, 134,704.44 and 39,869.18 is: 59,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,802.50 : 134,704.44 = 39,869.18 : x
  2. Step 2: Convert to fraction form
    89,802.50/134,704.44 = 39,869.18/x
  3. Step 3: Cross multiply
    89,802.50x = 134,704.44 × 39,869.18
  4. Step 4: Simplify right side
    89,802.50x = 5,370,555,565.16
  5. Step 5: Solve for x
    x = 5,370,555,565.16/89,802.50
  6. Step 6: Final answer
    x = 59,804.08

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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.