Finding the Fourth Proportional to 77,226.02, 106,559.55 and 43,235.93
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Solution
The fourth proportional to 77,226.02, 106,559.55 and 43,235.93 is: 59,658.66
Step by Step Solution
- Step 1: Write the proportion equation
77,226.02 : 106,559.55 = 43,235.93 : x - Step 2: Convert to fraction form
77,226.02/106,559.55 = 43,235.93/x - Step 3: Cross multiply
77,226.02x = 106,559.55 × 43,235.93 - Step 4: Simplify right side
77,226.02x = 4,607,200,711.83 - Step 5: Solve for x
x = 4,607,200,711.83/77,226.02 - Step 6: Final answer
x = 59,658.66
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1.5x scale
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.