Finding the Fourth Proportional to 74,355.84, 111,507.84 and 29,971.08
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Solution
The fourth proportional to 74,355.84, 111,507.84 and 29,971.08 is: 44,946.17
Step by Step Solution
- Step 1: Write the proportion equation
74,355.84 : 111,507.84 = 29,971.08 : x - Step 2: Convert to fraction form
74,355.84/111,507.84 = 29,971.08/x - Step 3: Cross multiply
74,355.84x = 111,507.84 × 29,971.08 - Step 4: Simplify right side
74,355.84x = 3,342,010,393.27 - Step 5: Solve for x
x = 3,342,010,393.27/74,355.84 - Step 6: Final answer
x = 44,946.17
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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.