Finding the Fourth Proportional to 74,907.60, 112,349.08 and 24,988.08
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Solution
The fourth proportional to 74,907.60, 112,349.08 and 24,988.08 is: 37,478.01
Step by Step Solution
- Step 1: Write the proportion equation
74,907.60 : 112,349.08 = 24,988.08 : x - Step 2: Convert to fraction form
74,907.60/112,349.08 = 24,988.08/x - Step 3: Cross multiply
74,907.60x = 112,349.08 × 24,988.08 - Step 4: Simplify right side
74,907.60x = 2,807,387,798.97 - Step 5: Solve for x
x = 2,807,387,798.97/74,907.60 - Step 6: Final answer
x = 37,478.01
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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.