Finding the Fourth Proportional to 83,819.61, 115,695.63 and 49,852.08
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Solution
The fourth proportional to 83,819.61, 115,695.63 and 49,852.08 is: 68,810.48
Step by Step Solution
- Step 1: Write the proportion equation
83,819.61 : 115,695.63 = 49,852.08 : x - Step 2: Convert to fraction form
83,819.61/115,695.63 = 49,852.08/x - Step 3: Cross multiply
83,819.61x = 115,695.63 × 49,852.08 - Step 4: Simplify right side
83,819.61x = 5,767,667,802.41 - Step 5: Solve for x
x = 5,767,667,802.41/83,819.61 - Step 6: Final answer
x = 68,810.48
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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.