Finding the Fourth Proportional to 85,635.58, 118,159.39 and 58,768.28
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Solution
The fourth proportional to 85,635.58, 118,159.39 and 58,768.28 is: 81,088.07
Step by Step Solution
- Step 1: Write the proportion equation
85,635.58 : 118,159.39 = 58,768.28 : x - Step 2: Convert to fraction form
85,635.58/118,159.39 = 58,768.28/x - Step 3: Cross multiply
85,635.58x = 118,159.39 × 58,768.28 - Step 4: Simplify right side
85,635.58x = 6,944,024,116.15 - Step 5: Solve for x
x = 6,944,024,116.15/85,635.58 - Step 6: Final answer
x = 81,088.07
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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.