Home / 117,916.23-162,779.22-69,502.89

Finding the Fourth Proportional to 117,916.23, 162,779.22 and 69,502.89

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Solution

The fourth proportional to 117,916.23, 162,779.22 and 69,502.89 is: 95,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,916.23 : 162,779.22 = 69,502.89 : x
  2. Step 2: Convert to fraction form
    117,916.23/162,779.22 = 69,502.89/x
  3. Step 3: Cross multiply
    117,916.23x = 162,779.22 × 69,502.89
  4. Step 4: Simplify right side
    117,916.23x = 11,313,626,221.95
  5. Step 5: Solve for x
    x = 11,313,626,221.95/117,916.23
  6. Step 6: Final answer
    x = 95,946.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.