Finding the Fourth Proportional to 97,629.21, 134,688.55 and 63,625.31
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Solution
The fourth proportional to 97,629.21, 134,688.55 and 63,625.31 is: 87,777.02
Step by Step Solution
- Step 1: Write the proportion equation
97,629.21 : 134,688.55 = 63,625.31 : x - Step 2: Convert to fraction form
97,629.21/134,688.55 = 63,625.31/x - Step 3: Cross multiply
97,629.21x = 134,688.55 × 63,625.31 - Step 4: Simplify right side
97,629.21x = 8,569,600,747.20 - Step 5: Solve for x
x = 8,569,600,747.20/97,629.21 - Step 6: Final answer
x = 87,777.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.