Home / 77,417.10-106,843.95-43,879.50

Finding the Fourth Proportional to 77,417.10, 106,843.95 and 43,879.50

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Solution

The fourth proportional to 77,417.10, 106,843.95 and 43,879.50 is: 60,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,417.10 : 106,843.95 = 43,879.50 : x
  2. Step 2: Convert to fraction form
    77,417.10/106,843.95 = 43,879.50/x
  3. Step 3: Cross multiply
    77,417.10x = 106,843.95 × 43,879.50
  4. Step 4: Simplify right side
    77,417.10x = 4,688,259,104.03
  5. Step 5: Solve for x
    x = 4,688,259,104.03/77,417.10
  6. Step 6: Final answer
    x = 60,558.44

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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.