Finding the Fourth Proportional to 101,303.36, 139,797.82 and 55,984.40
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Solution
The fourth proportional to 101,303.36, 139,797.82 and 55,984.40 is: 77,258.02
Step by Step Solution
- Step 1: Write the proportion equation
101,303.36 : 139,797.82 = 55,984.40 : x - Step 2: Convert to fraction form
101,303.36/139,797.82 = 55,984.40/x - Step 3: Cross multiply
101,303.36x = 139,797.82 × 55,984.40 - Step 4: Simplify right side
101,303.36x = 7,826,497,074.01 - Step 5: Solve for x
x = 7,826,497,074.01/101,303.36 - Step 6: Final answer
x = 77,258.02
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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.