Finding the Fourth Proportional to 97,504.79, 134,543.18 and 54,479.00
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Solution
The fourth proportional to 97,504.79, 134,543.18 and 54,479.00 is: 75,173.52
Step by Step Solution
- Step 1: Write the proportion equation
97,504.79 : 134,543.18 = 54,479.00 : x - Step 2: Convert to fraction form
97,504.79/134,543.18 = 54,479.00/x - Step 3: Cross multiply
97,504.79x = 134,543.18 × 54,479.00 - Step 4: Simplify right side
97,504.79x = 7,329,778,375.78 - Step 5: Solve for x
x = 7,329,778,375.78/97,504.79 - Step 6: Final answer
x = 75,173.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.