Finding the Fourth Proportional to 96,746.88, 133,513.92 and 54,312.96
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Solution
The fourth proportional to 96,746.88, 133,513.92 and 54,312.96 is: 74,953.70
Step by Step Solution
- Step 1: Write the proportion equation
96,746.88 : 133,513.92 = 54,312.96 : x - Step 2: Convert to fraction form
96,746.88/133,513.92 = 54,312.96/x - Step 3: Cross multiply
96,746.88x = 133,513.92 × 54,312.96 - Step 4: Simplify right side
96,746.88x = 7,251,536,196.40 - Step 5: Solve for x
x = 7,251,536,196.40/96,746.88 - Step 6: Final answer
x = 74,953.70
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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.