Finding the Fourth Proportional to 97,393.74, 134,419.83 and 56,551.50
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Solution
The fourth proportional to 97,393.74, 134,419.83 and 56,551.50 is: 78,050.63
Step by Step Solution
- Step 1: Write the proportion equation
97,393.74 : 134,419.83 = 56,551.50 : x - Step 2: Convert to fraction form
97,393.74/134,419.83 = 56,551.50/x - Step 3: Cross multiply
97,393.74x = 134,419.83 × 56,551.50 - Step 4: Simplify right side
97,393.74x = 7,601,643,016.25 - Step 5: Solve for x
x = 7,601,643,016.25/97,393.74 - Step 6: Final answer
x = 78,050.63
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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.