Home / 115,941.60-173,782.80-49,370.40

Finding the Fourth Proportional to 115,941.60, 173,782.80 and 49,370.40

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Solution

The fourth proportional to 115,941.60, 173,782.80 and 49,370.40 is: 74,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941.60 : 173,782.80 = 49,370.40 : x
  2. Step 2: Convert to fraction form
    115,941.60/173,782.80 = 49,370.40/x
  3. Step 3: Cross multiply
    115,941.60x = 173,782.80 × 49,370.40
  4. Step 4: Simplify right side
    115,941.60x = 8,579,726,349.12
  5. Step 5: Solve for x
    x = 8,579,726,349.12/115,941.60
  6. Step 6: Final answer
    x = 74,000.41

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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.