Home / 98,829.29-148,258.38-28,699.49

Finding the Fourth Proportional to 98,829.29, 148,258.38 and 28,699.49

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Solution

The fourth proportional to 98,829.29, 148,258.38 and 28,699.49 is: 43,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.29 : 148,258.38 = 28,699.49 : x
  2. Step 2: Convert to fraction form
    98,829.29/148,258.38 = 28,699.49/x
  3. Step 3: Cross multiply
    98,829.29x = 148,258.38 × 28,699.49
  4. Step 4: Simplify right side
    98,829.29x = 4,254,939,894.23
  5. Step 5: Solve for x
    x = 4,254,939,894.23/98,829.29
  6. Step 6: Final answer
    x = 43,053.43

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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.