Finding the Fourth Proportional to 93,772.20, 129,405.36 and 51,330.36
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Solution
The fourth proportional to 93,772.20, 129,405.36 and 51,330.36 is: 70,835.75
Step by Step Solution
- Step 1: Write the proportion equation
93,772.20 : 129,405.36 = 51,330.36 : x - Step 2: Convert to fraction form
93,772.20/129,405.36 = 51,330.36/x - Step 3: Cross multiply
93,772.20x = 129,405.36 × 51,330.36 - Step 4: Simplify right side
93,772.20x = 6,642,423,714.73 - Step 5: Solve for x
x = 6,642,423,714.73/93,772.20 - Step 6: Final answer
x = 70,835.75
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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.