Finding the Fourth Proportional to 113,924.79, 157,225.42 and 62,941.99
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Solution
The fourth proportional to 113,924.79, 157,225.42 and 62,941.99 is: 86,865.03
Step by Step Solution
- Step 1: Write the proportion equation
113,924.79 : 157,225.42 = 62,941.99 : x - Step 2: Convert to fraction form
113,924.79/157,225.42 = 62,941.99/x - Step 3: Cross multiply
113,924.79x = 157,225.42 × 62,941.99 - Step 4: Simplify right side
113,924.79x = 9,896,080,813.39 - Step 5: Solve for x
x = 9,896,080,813.39/113,924.79 - Step 6: Final answer
x = 86,865.03
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1.5x scale
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.