Home / 97,779.68-146,669.52-51,021.62

Finding the Fourth Proportional to 97,779.68, 146,669.52 and 51,021.62

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Solution

The fourth proportional to 97,779.68, 146,669.52 and 51,021.62 is: 76,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,779.68 : 146,669.52 = 51,021.62 : x
  2. Step 2: Convert to fraction form
    97,779.68/146,669.52 = 51,021.62/x
  3. Step 3: Cross multiply
    97,779.68x = 146,669.52 × 51,021.62
  4. Step 4: Simplify right side
    97,779.68x = 7,483,316,515.02
  5. Step 5: Solve for x
    x = 7,483,316,515.02/97,779.68
  6. Step 6: Final answer
    x = 76,532.43

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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.