Finding the Fourth Proportional to 96,009.12, 132,492.36 and 55,746.44
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Solution
The fourth proportional to 96,009.12, 132,492.36 and 55,746.44 is: 76,929.96
Step by Step Solution
- Step 1: Write the proportion equation
96,009.12 : 132,492.36 = 55,746.44 : x - Step 2: Convert to fraction form
96,009.12/132,492.36 = 55,746.44/x - Step 3: Cross multiply
96,009.12x = 132,492.36 × 55,746.44 - Step 4: Simplify right side
96,009.12x = 7,385,977,397.20 - Step 5: Solve for x
x = 7,385,977,397.20/96,009.12 - Step 6: Final answer
x = 76,929.96
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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.