Finding the Fourth Proportional to 106,695.57, 147,237.96 and 58,952.14
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Solution
The fourth proportional to 106,695.57, 147,237.96 and 58,952.14 is: 81,352.89
Step by Step Solution
- Step 1: Write the proportion equation
106,695.57 : 147,237.96 = 58,952.14 : x - Step 2: Convert to fraction form
106,695.57/147,237.96 = 58,952.14/x - Step 3: Cross multiply
106,695.57x = 147,237.96 × 58,952.14 - Step 4: Simplify right side
106,695.57x = 8,679,992,831.23 - Step 5: Solve for x
x = 8,679,992,831.23/106,695.57 - Step 6: Final answer
x = 81,352.89
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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.