Home / 77,201.18-106,513.34-43,204.26

Finding the Fourth Proportional to 77,201.18, 106,513.34 and 43,204.26

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Solution

The fourth proportional to 77,201.18, 106,513.34 and 43,204.26 is: 59,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201.18 : 106,513.34 = 43,204.26 : x
  2. Step 2: Convert to fraction form
    77,201.18/106,513.34 = 43,204.26/x
  3. Step 3: Cross multiply
    77,201.18x = 106,513.34 × 43,204.26
  4. Step 4: Simplify right side
    77,201.18x = 4,601,830,061.83
  5. Step 5: Solve for x
    x = 4,601,830,061.83/77,201.18
  6. Step 6: Final answer
    x = 59,608.29

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1.5x scale

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.