Finding the Fourth Proportional to 97,356.71, 134,340.75 and 56,511.38
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Solution
The fourth proportional to 97,356.71, 134,340.75 and 56,511.38 is: 77,979.02
Step by Step Solution
- Step 1: Write the proportion equation
97,356.71 : 134,340.75 = 56,511.38 : x - Step 2: Convert to fraction form
97,356.71/134,340.75 = 56,511.38/x - Step 3: Cross multiply
97,356.71x = 134,340.75 × 56,511.38 - Step 4: Simplify right side
97,356.71x = 7,591,780,501.03 - Step 5: Solve for x
x = 7,591,780,501.03/97,356.71 - Step 6: Final answer
x = 77,979.02
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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.