Finding the Fourth Proportional to 113,484.62, 170,024.70 and 69,088.52
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Solution
The fourth proportional to 113,484.62, 170,024.70 and 69,088.52 is: 103,509.66
Step by Step Solution
- Step 1: Write the proportion equation
113,484.62 : 170,024.70 = 69,088.52 : x - Step 2: Convert to fraction form
113,484.62/170,024.70 = 69,088.52/x - Step 3: Cross multiply
113,484.62x = 170,024.70 × 69,088.52 - Step 4: Simplify right side
113,484.62x = 11,746,754,886.44 - Step 5: Solve for x
x = 11,746,754,886.44/113,484.62 - Step 6: Final answer
x = 103,509.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.