Finding the Fourth Proportional to 79,372.36, 118,975.74 and 26,763.76
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Solution
The fourth proportional to 79,372.36, 118,975.74 and 26,763.76 is: 40,117.72
Step by Step Solution
- Step 1: Write the proportion equation
79,372.36 : 118,975.74 = 26,763.76 : x - Step 2: Convert to fraction form
79,372.36/118,975.74 = 26,763.76/x - Step 3: Cross multiply
79,372.36x = 118,975.74 × 26,763.76 - Step 4: Simplify right side
79,372.36x = 3,184,238,151.18 - Step 5: Solve for x
x = 3,184,238,151.18/79,372.36 - Step 6: Final answer
x = 40,117.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.