Finding the Fourth Proportional to 93,539.84, 129,083.36 and 51,097.28
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Solution
The fourth proportional to 93,539.84, 129,083.36 and 51,097.28 is: 70,513.36
Step by Step Solution
- Step 1: Write the proportion equation
93,539.84 : 129,083.36 = 51,097.28 : x - Step 2: Convert to fraction form
93,539.84/129,083.36 = 51,097.28/x - Step 3: Cross multiply
93,539.84x = 129,083.36 × 51,097.28 - Step 4: Simplify right side
93,539.84x = 6,595,808,589.26 - Step 5: Solve for x
x = 6,595,808,589.26/93,539.84 - Step 6: Final answer
x = 70,513.36
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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.