Finding the Fourth Proportional to 97,455.21, 134,493.60 and 68,784.05
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Solution
The fourth proportional to 97,455.21, 134,493.60 and 68,784.05 is: 94,925.80
Step by Step Solution
- Step 1: Write the proportion equation
97,455.21 : 134,493.60 = 68,784.05 : x - Step 2: Convert to fraction form
97,455.21/134,493.60 = 68,784.05/x - Step 3: Cross multiply
97,455.21x = 134,493.60 × 68,784.05 - Step 4: Simplify right side
97,455.21x = 9,251,013,834.61 - Step 5: Solve for x
x = 9,251,013,834.61/97,455.21 - Step 6: Final answer
x = 94,925.80
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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.