Finding the Fourth Proportional to 93,402.49, 139,961.61 and 68,459.08
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Solution
The fourth proportional to 93,402.49, 139,961.61 and 68,459.08 is: 102,584.45
Step by Step Solution
- Step 1: Write the proportion equation
93,402.49 : 139,961.61 = 68,459.08 : x - Step 2: Convert to fraction form
93,402.49/139,961.61 = 68,459.08/x - Step 3: Cross multiply
93,402.49x = 139,961.61 × 68,459.08 - Step 4: Simplify right side
93,402.49x = 9,581,643,055.92 - Step 5: Solve for x
x = 9,581,643,055.92/93,402.49 - Step 6: Final answer
x = 102,584.45
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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.