Finding the Fourth Proportional to 88,090.70, 131,866.05 and 48,526.70
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Solution
The fourth proportional to 88,090.70, 131,866.05 and 48,526.70 is: 72,641.31
Step by Step Solution
- Step 1: Write the proportion equation
88,090.70 : 131,866.05 = 48,526.70 : x - Step 2: Convert to fraction form
88,090.70/131,866.05 = 48,526.70/x - Step 3: Cross multiply
88,090.70x = 131,866.05 × 48,526.70 - Step 4: Simplify right side
88,090.70x = 6,399,024,248.54 - Step 5: Solve for x
x = 6,399,024,248.54/88,090.70 - Step 6: Final answer
x = 72,641.31
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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.