Finding the Fourth Proportional to 115,657.64, 159,545.96 and 70,349.48
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Solution
The fourth proportional to 115,657.64, 159,545.96 and 70,349.48 is: 97,044.82
Step by Step Solution
- Step 1: Write the proportion equation
115,657.64 : 159,545.96 = 70,349.48 : x - Step 2: Convert to fraction form
115,657.64/159,545.96 = 70,349.48/x - Step 3: Cross multiply
115,657.64x = 159,545.96 × 70,349.48 - Step 4: Simplify right side
115,657.64x = 11,223,975,322.10 - Step 5: Solve for x
x = 11,223,975,322.10/115,657.64 - Step 6: Final answer
x = 97,044.82
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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.