Finding the Fourth Proportional to 74,202.04, 102,393.66 and 43,985.80
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Solution
The fourth proportional to 74,202.04, 102,393.66 and 43,985.80 is: 60,697.35
Step by Step Solution
- Step 1: Write the proportion equation
74,202.04 : 102,393.66 = 43,985.80 : x - Step 2: Convert to fraction form
74,202.04/102,393.66 = 43,985.80/x - Step 3: Cross multiply
74,202.04x = 102,393.66 × 43,985.80 - Step 4: Simplify right side
74,202.04x = 4,503,867,050.03 - Step 5: Solve for x
x = 4,503,867,050.03/74,202.04 - Step 6: Final answer
x = 60,697.35
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1.5x scale
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.