Home / 89,106.48-133,290.36-67,885.98

Finding the Fourth Proportional to 89,106.48, 133,290.36 and 67,885.98

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Solution

The fourth proportional to 89,106.48, 133,290.36 and 67,885.98 is: 101,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,106.48 : 133,290.36 = 67,885.98 : x
  2. Step 2: Convert to fraction form
    89,106.48/133,290.36 = 67,885.98/x
  3. Step 3: Cross multiply
    89,106.48x = 133,290.36 × 67,885.98
  4. Step 4: Simplify right side
    89,106.48x = 9,048,546,713.15
  5. Step 5: Solve for x
    x = 9,048,546,713.15/89,106.48
  6. Step 6: Final answer
    x = 101,547.57

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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.