Home / 77,003.16-106,263.21-43,012.26

Finding the Fourth Proportional to 77,003.16, 106,263.21 and 43,012.26

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Solution

The fourth proportional to 77,003.16, 106,263.21 and 43,012.26 is: 59,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,003.16 : 106,263.21 = 43,012.26 : x
  2. Step 2: Convert to fraction form
    77,003.16/106,263.21 = 43,012.26/x
  3. Step 3: Cross multiply
    77,003.16x = 106,263.21 × 43,012.26
  4. Step 4: Simplify right side
    77,003.16x = 4,570,620,816.95
  5. Step 5: Solve for x
    x = 4,570,620,816.95/77,003.16
  6. Step 6: Final answer
    x = 59,356.28

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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.