Finding the Fourth Proportional to 83,470.08, 125,175.36 and 39,089.28
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Solution
The fourth proportional to 83,470.08, 125,175.36 and 39,089.28 is: 58,619.98
Step by Step Solution
- Step 1: Write the proportion equation
83,470.08 : 125,175.36 = 39,089.28 : x - Step 2: Convert to fraction form
83,470.08/125,175.36 = 39,089.28/x - Step 3: Cross multiply
83,470.08x = 125,175.36 × 39,089.28 - Step 4: Simplify right side
83,470.08x = 4,893,014,696.14 - Step 5: Solve for x
x = 4,893,014,696.14/83,470.08 - Step 6: Final answer
x = 58,619.98
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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.