Finding the Fourth Proportional to 93,202.08, 128,620.35 and 52,915.02
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Solution
The fourth proportional to 93,202.08, 128,620.35 and 52,915.02 is: 73,023.57
Step by Step Solution
- Step 1: Write the proportion equation
93,202.08 : 128,620.35 = 52,915.02 : x - Step 2: Convert to fraction form
93,202.08/128,620.35 = 52,915.02/x - Step 3: Cross multiply
93,202.08x = 128,620.35 × 52,915.02 - Step 4: Simplify right side
93,202.08x = 6,805,948,392.66 - Step 5: Solve for x
x = 6,805,948,392.66/93,202.08 - Step 6: Final answer
x = 73,023.57
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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.