Finding the Fourth Proportional to 93,044.76, 128,398.08 and 50,603.28
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Solution
The fourth proportional to 93,044.76, 128,398.08 and 50,603.28 is: 69,830.52
Step by Step Solution
- Step 1: Write the proportion equation
93,044.76 : 128,398.08 = 50,603.28 : x - Step 2: Convert to fraction form
93,044.76/128,398.08 = 50,603.28/x - Step 3: Cross multiply
93,044.76x = 128,398.08 × 50,603.28 - Step 4: Simplify right side
93,044.76x = 6,497,363,993.70 - Step 5: Solve for x
x = 6,497,363,993.70/93,044.76 - Step 6: Final answer
x = 69,830.52
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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.