Finding the Fourth Proportional to 75,461.04, 104,211.72 and 62,164.08
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Solution
The fourth proportional to 75,461.04, 104,211.72 and 62,164.08 is: 85,848.61
Step by Step Solution
- Step 1: Write the proportion equation
75,461.04 : 104,211.72 = 62,164.08 : x - Step 2: Convert to fraction form
75,461.04/104,211.72 = 62,164.08/x - Step 3: Cross multiply
75,461.04x = 104,211.72 × 62,164.08 - Step 4: Simplify right side
75,461.04x = 6,478,225,699.02 - Step 5: Solve for x
x = 6,478,225,699.02/75,461.04 - Step 6: Final answer
x = 85,848.61
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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.