Finding the Fourth Proportional to 97,389.68, 134,397.14 and 54,366.66
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Solution
The fourth proportional to 97,389.68, 134,397.14 and 54,366.66 is: 75,025.65
Step by Step Solution
- Step 1: Write the proportion equation
97,389.68 : 134,397.14 = 54,366.66 : x - Step 2: Convert to fraction form
97,389.68/134,397.14 = 54,366.66/x - Step 3: Cross multiply
97,389.68x = 134,397.14 × 54,366.66 - Step 4: Simplify right side
97,389.68x = 7,306,723,343.52 - Step 5: Solve for x
x = 7,306,723,343.52/97,389.68 - Step 6: Final answer
x = 75,025.65
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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.