Home / 99,084.96-148,636.08-28,971.36

Finding the Fourth Proportional to 99,084.96, 148,636.08 and 28,971.36

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Solution

The fourth proportional to 99,084.96, 148,636.08 and 28,971.36 is: 43,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,084.96 : 148,636.08 = 28,971.36 : x
  2. Step 2: Convert to fraction form
    99,084.96/148,636.08 = 28,971.36/x
  3. Step 3: Cross multiply
    99,084.96x = 148,636.08 × 28,971.36
  4. Step 4: Simplify right side
    99,084.96x = 4,306,189,382.67
  5. Step 5: Solve for x
    x = 4,306,189,382.67/99,084.96
  6. Step 6: Final answer
    x = 43,459.57

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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.