Finding the Fourth Proportional to 88,930.19, 133,395.29 and 36,339.63
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Solution
The fourth proportional to 88,930.19, 133,395.29 and 36,339.63 is: 54,509.45
Step by Step Solution
- Step 1: Write the proportion equation
88,930.19 : 133,395.29 = 36,339.63 : x - Step 2: Convert to fraction form
88,930.19/133,395.29 = 36,339.63/x - Step 3: Cross multiply
88,930.19x = 133,395.29 × 36,339.63 - Step 4: Simplify right side
88,930.19x = 4,847,535,482.34 - Step 5: Solve for x
x = 4,847,535,482.34/88,930.19 - Step 6: Final answer
x = 54,509.45
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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.