Finding the Fourth Proportional to 93,446.52, 128,956.35 and 51,005.08
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Solution
The fourth proportional to 93,446.52, 128,956.35 and 51,005.08 is: 70,387.09
Step by Step Solution
- Step 1: Write the proportion equation
93,446.52 : 128,956.35 = 51,005.08 : x - Step 2: Convert to fraction form
93,446.52/128,956.35 = 51,005.08/x - Step 3: Cross multiply
93,446.52x = 128,956.35 × 51,005.08 - Step 4: Simplify right side
93,446.52x = 6,577,428,948.26 - Step 5: Solve for x
x = 6,577,428,948.26/93,446.52 - Step 6: Final answer
x = 70,387.09
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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.