Finding the Fourth Proportional to 106,576.76, 147,075.14 and 58,830.08
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Solution
The fourth proportional to 106,576.76, 147,075.14 and 58,830.08 is: 81,185.07
Step by Step Solution
- Step 1: Write the proportion equation
106,576.76 : 147,075.14 = 58,830.08 : x - Step 2: Convert to fraction form
106,576.76/147,075.14 = 58,830.08/x - Step 3: Cross multiply
106,576.76x = 147,075.14 × 58,830.08 - Step 4: Simplify right side
106,576.76x = 8,652,442,252.21 - Step 5: Solve for x
x = 8,652,442,252.21/106,576.76 - Step 6: Final answer
x = 81,185.07
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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.