Finding the Fourth Proportional to 79,345.95, 118,935.90 and 26,737.26
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Solution
The fourth proportional to 79,345.95, 118,935.90 and 26,737.26 is: 40,077.91
Step by Step Solution
- Step 1: Write the proportion equation
79,345.95 : 118,935.90 = 26,737.26 : x - Step 2: Convert to fraction form
79,345.95/118,935.90 = 26,737.26/x - Step 3: Cross multiply
79,345.95x = 118,935.90 × 26,737.26 - Step 4: Simplify right side
79,345.95x = 3,180,020,081.63 - Step 5: Solve for x
x = 3,180,020,081.63/79,345.95 - Step 6: Final answer
x = 40,077.91
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1.5x scale
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.