Finding the Fourth Proportional to 97,115.09, 145,461.15 and 47,089.26
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Solution
The fourth proportional to 97,115.09, 145,461.15 and 47,089.26 is: 70,531.35
Step by Step Solution
- Step 1: Write the proportion equation
97,115.09 : 145,461.15 = 47,089.26 : x - Step 2: Convert to fraction form
97,115.09/145,461.15 = 47,089.26/x - Step 3: Cross multiply
97,115.09x = 145,461.15 × 47,089.26 - Step 4: Simplify right side
97,115.09x = 6,849,657,912.25 - Step 5: Solve for x
x = 6,849,657,912.25/97,115.09 - Step 6: Final answer
x = 70,531.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.