Finding the Fourth Proportional to 93,972.99, 129,707.01 and 58,141.83
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Solution
The fourth proportional to 93,972.99, 129,707.01 and 58,141.83 is: 80,250.75
Step by Step Solution
- Step 1: Write the proportion equation
93,972.99 : 129,707.01 = 58,141.83 : x - Step 2: Convert to fraction form
93,972.99/129,707.01 = 58,141.83/x - Step 3: Cross multiply
93,972.99x = 129,707.01 × 58,141.83 - Step 4: Simplify right side
93,972.99x = 7,541,402,925.23 - Step 5: Solve for x
x = 7,541,402,925.23/93,972.99 - Step 6: Final answer
x = 80,250.75
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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.