Finding the Fourth Proportional to 83,848.58, 125,746.16 and 27,678.23
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Solution
The fourth proportional to 83,848.58, 125,746.16 and 27,678.23 is: 41,508.52
Step by Step Solution
- Step 1: Write the proportion equation
83,848.58 : 125,746.16 = 27,678.23 : x - Step 2: Convert to fraction form
83,848.58/125,746.16 = 27,678.23/x - Step 3: Cross multiply
83,848.58x = 125,746.16 × 27,678.23 - Step 4: Simplify right side
83,848.58x = 3,480,430,370.97 - Step 5: Solve for x
x = 3,480,430,370.97/83,848.58 - Step 6: Final answer
x = 41,508.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.