Finding the Fourth Proportional to 106,303.79, 159,433.79 and 47,101.70
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Solution
The fourth proportional to 106,303.79, 159,433.79 and 47,101.70 is: 70,642.85
Step by Step Solution
- Step 1: Write the proportion equation
106,303.79 : 159,433.79 = 47,101.70 : x - Step 2: Convert to fraction form
106,303.79/159,433.79 = 47,101.70/x - Step 3: Cross multiply
106,303.79x = 159,433.79 × 47,101.70 - Step 4: Simplify right side
106,303.79x = 7,509,602,709.52 - Step 5: Solve for x
x = 7,509,602,709.52/106,303.79 - Step 6: Final answer
x = 70,642.85
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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.