Home / 89,970.03-135,001.76-36,701.10

Finding the Fourth Proportional to 89,970.03, 135,001.76 and 36,701.10

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Solution

The fourth proportional to 89,970.03, 135,001.76 and 36,701.10 is: 55,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,970.03 : 135,001.76 = 36,701.10 : x
  2. Step 2: Convert to fraction form
    89,970.03/135,001.76 = 36,701.10/x
  3. Step 3: Cross multiply
    89,970.03x = 135,001.76 × 36,701.10
  4. Step 4: Simplify right side
    89,970.03x = 4,954,713,093.94
  5. Step 5: Solve for x
    x = 4,954,713,093.94/89,970.03
  6. Step 6: Final answer
    x = 55,070.71

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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.