Finding the Fourth Proportional to 94,511.16, 130,444.29 and 54,252.14
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Solution
The fourth proportional to 94,511.16, 130,444.29 and 54,252.14 is: 74,878.79
Step by Step Solution
- Step 1: Write the proportion equation
94,511.16 : 130,444.29 = 54,252.14 : x - Step 2: Convert to fraction form
94,511.16/130,444.29 = 54,252.14/x - Step 3: Cross multiply
94,511.16x = 130,444.29 × 54,252.14 - Step 4: Simplify right side
94,511.16x = 7,076,881,231.06 - Step 5: Solve for x
x = 7,076,881,231.06/94,511.16 - Step 6: Final answer
x = 74,878.79
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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.