Finding the Fourth Proportional to 93,332.49, 128,794.19 and 53,040.93
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Solution
The fourth proportional to 93,332.49, 128,794.19 and 53,040.93 is: 73,193.84
Step by Step Solution
- Step 1: Write the proportion equation
93,332.49 : 128,794.19 = 53,040.93 : x - Step 2: Convert to fraction form
93,332.49/128,794.19 = 53,040.93/x - Step 3: Cross multiply
93,332.49x = 128,794.19 × 53,040.93 - Step 4: Simplify right side
93,332.49x = 6,831,363,350.99 - Step 5: Solve for x
x = 6,831,363,350.99/93,332.49 - Step 6: Final answer
x = 73,193.84
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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.