Home / 116,683.46-161,026.43-71,360.63

Finding the Fourth Proportional to 116,683.46, 161,026.43 and 71,360.63

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Solution

The fourth proportional to 116,683.46, 161,026.43 and 71,360.63 is: 98,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,683.46 : 161,026.43 = 71,360.63 : x
  2. Step 2: Convert to fraction form
    116,683.46/161,026.43 = 71,360.63/x
  3. Step 3: Cross multiply
    116,683.46x = 161,026.43 × 71,360.63
  4. Step 4: Simplify right side
    116,683.46x = 11,490,946,329.52
  5. Step 5: Solve for x
    x = 11,490,946,329.52/116,683.46
  6. Step 6: Final answer
    x = 98,479.65

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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.