Finding the Fourth Proportional to 79,120.04, 118,726.74 and 29,235.44
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Solution
The fourth proportional to 79,120.04, 118,726.74 and 29,235.44 is: 43,870.41
Step by Step Solution
- Step 1: Write the proportion equation
79,120.04 : 118,726.74 = 29,235.44 : x - Step 2: Convert to fraction form
79,120.04/118,726.74 = 29,235.44/x - Step 3: Cross multiply
79,120.04x = 118,726.74 × 29,235.44 - Step 4: Simplify right side
79,120.04x = 3,471,028,483.67 - Step 5: Solve for x
x = 3,471,028,483.67/79,120.04 - Step 6: Final answer
x = 43,870.41
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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.