Finding the Fourth Proportional to 93,482.06, 129,017.46 and 53,187.99
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Solution
The fourth proportional to 93,482.06, 129,017.46 and 53,187.99 is: 73,406.38
Step by Step Solution
- Step 1: Write the proportion equation
93,482.06 : 129,017.46 = 53,187.99 : x - Step 2: Convert to fraction form
93,482.06/129,017.46 = 53,187.99/x - Step 3: Cross multiply
93,482.06x = 129,017.46 × 53,187.99 - Step 4: Simplify right side
93,482.06x = 6,862,179,372.31 - Step 5: Solve for x
x = 6,862,179,372.31/93,482.06 - Step 6: Final answer
x = 73,406.38
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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.