Finding the Fourth Proportional to 93,124.16, 128,511.34 and 50,682.99
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Solution
The fourth proportional to 93,124.16, 128,511.34 and 50,682.99 is: 69,942.53
Step by Step Solution
- Step 1: Write the proportion equation
93,124.16 : 128,511.34 = 50,682.99 : x - Step 2: Convert to fraction form
93,124.16/128,511.34 = 50,682.99/x - Step 3: Cross multiply
93,124.16x = 128,511.34 × 50,682.99 - Step 4: Simplify right side
93,124.16x = 6,513,338,960.11 - Step 5: Solve for x
x = 6,513,338,960.11/93,124.16 - Step 6: Final answer
x = 69,942.53
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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.