Home / 98,985.51-148,481.10-35,811.45

Finding the Fourth Proportional to 98,985.51, 148,481.10 and 35,811.45

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Solution

The fourth proportional to 98,985.51, 148,481.10 and 35,811.45 is: 53,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,985.51 : 148,481.10 = 35,811.45 : x
  2. Step 2: Convert to fraction form
    98,985.51/148,481.10 = 35,811.45/x
  3. Step 3: Cross multiply
    98,985.51x = 148,481.10 × 35,811.45
  4. Step 4: Simplify right side
    98,985.51x = 5,317,323,488.60
  5. Step 5: Solve for x
    x = 5,317,323,488.60/98,985.51
  6. Step 6: Final answer
    x = 53,718.20

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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.