Finding the Fourth Proportional to 75,670.14, 113,511.74 and 19,509.76
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Solution
The fourth proportional to 75,670.14, 113,511.74 and 19,509.76 is: 29,266.32
Step by Step Solution
- Step 1: Write the proportion equation
75,670.14 : 113,511.74 = 19,509.76 : x - Step 2: Convert to fraction form
75,670.14/113,511.74 = 19,509.76/x - Step 3: Cross multiply
75,670.14x = 113,511.74 × 19,509.76 - Step 4: Simplify right side
75,670.14x = 2,214,586,707.03 - Step 5: Solve for x
x = 2,214,586,707.03/75,670.14 - Step 6: Final answer
x = 29,266.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.