Finding the Fourth Proportional to 105,343.74, 145,374.35 and 57,597.08
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Solution
The fourth proportional to 105,343.74, 145,374.35 and 57,597.08 is: 79,483.95
Step by Step Solution
- Step 1: Write the proportion equation
105,343.74 : 145,374.35 = 57,597.08 : x - Step 2: Convert to fraction form
105,343.74/145,374.35 = 57,597.08/x - Step 3: Cross multiply
105,343.74x = 145,374.35 × 57,597.08 - Step 4: Simplify right side
105,343.74x = 8,373,137,052.04 - Step 5: Solve for x
x = 8,373,137,052.04/105,343.74 - Step 6: Final answer
x = 79,483.95
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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.