Finding the Fourth Proportional to 79,275.79, 118,925.97 and 26,681.17
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Solution
The fourth proportional to 79,275.79, 118,925.97 and 26,681.17 is: 40,025.89
Step by Step Solution
- Step 1: Write the proportion equation
79,275.79 : 118,925.97 = 26,681.17 : x - Step 2: Convert to fraction form
79,275.79/118,925.97 = 26,681.17/x - Step 3: Cross multiply
79,275.79x = 118,925.97 × 26,681.17 - Step 4: Simplify right side
79,275.79x = 3,173,084,022.98 - Step 5: Solve for x
x = 3,173,084,022.98/79,275.79 - Step 6: Final answer
x = 40,025.89
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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.