Finding the Fourth Proportional to 97,127.69, 145,531.15 and 44,420.99
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Solution
The fourth proportional to 97,127.69, 145,531.15 and 44,420.99 is: 66,558.13
Step by Step Solution
- Step 1: Write the proportion equation
97,127.69 : 145,531.15 = 44,420.99 : x - Step 2: Convert to fraction form
97,127.69/145,531.15 = 44,420.99/x - Step 3: Cross multiply
97,127.69x = 145,531.15 × 44,420.99 - Step 4: Simplify right side
97,127.69x = 6,464,636,920.13 - Step 5: Solve for x
x = 6,464,636,920.13/97,127.69 - Step 6: Final answer
x = 66,558.13
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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.