Finding the Fourth Proportional to 97,027.12, 133,853.18 and 70,127.02
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Solution
The fourth proportional to 97,027.12, 133,853.18 and 70,127.02 is: 96,743.31
Step by Step Solution
- Step 1: Write the proportion equation
97,027.12 : 133,853.18 = 70,127.02 : x - Step 2: Convert to fraction form
97,027.12/133,853.18 = 70,127.02/x - Step 3: Cross multiply
97,027.12x = 133,853.18 × 70,127.02 - Step 4: Simplify right side
97,027.12x = 9,386,724,630.92 - Step 5: Solve for x
x = 9,386,724,630.92/97,027.12 - Step 6: Final answer
x = 96,743.31
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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.