Home / 98,091.03-147,137.90-27,970.33

Finding the Fourth Proportional to 98,091.03, 147,137.90 and 27,970.33

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Solution

The fourth proportional to 98,091.03, 147,137.90 and 27,970.33 is: 41,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.03 : 147,137.90 = 27,970.33 : x
  2. Step 2: Convert to fraction form
    98,091.03/147,137.90 = 27,970.33/x
  3. Step 3: Cross multiply
    98,091.03x = 147,137.90 × 27,970.33
  4. Step 4: Simplify right side
    98,091.03x = 4,115,495,618.51
  5. Step 5: Solve for x
    x = 4,115,495,618.51/98,091.03
  6. Step 6: Final answer
    x = 41,955.88

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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.