Finding the Fourth Proportional to 108,526.08, 149,765.99 and 60,779.46
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Solution
The fourth proportional to 108,526.08, 149,765.99 and 60,779.46 is: 83,875.66
Step by Step Solution
- Step 1: Write the proportion equation
108,526.08 : 149,765.99 = 60,779.46 : x - Step 2: Convert to fraction form
108,526.08/149,765.99 = 60,779.46/x - Step 3: Cross multiply
108,526.08x = 149,765.99 × 60,779.46 - Step 4: Simplify right side
108,526.08x = 9,102,696,427.23 - Step 5: Solve for x
x = 9,102,696,427.23/108,526.08 - Step 6: Final answer
x = 83,875.66
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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.