Finding the Fourth Proportional to 106,903.84, 160,360.08 and 47,728.48
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Solution
The fourth proportional to 106,903.84, 160,360.08 and 47,728.48 is: 71,594.65
Step by Step Solution
- Step 1: Write the proportion equation
106,903.84 : 160,360.08 = 47,728.48 : x - Step 2: Convert to fraction form
106,903.84/160,360.08 = 47,728.48/x - Step 3: Cross multiply
106,903.84x = 160,360.08 × 47,728.48 - Step 4: Simplify right side
106,903.84x = 7,653,742,871.08 - Step 5: Solve for x
x = 7,653,742,871.08/106,903.84 - Step 6: Final answer
x = 71,594.65
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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.