Finding the Fourth Proportional to 83,279.36, 124,895.55 and 29,963.54
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Solution
The fourth proportional to 83,279.36, 124,895.55 and 29,963.54 is: 44,936.86
Step by Step Solution
- Step 1: Write the proportion equation
83,279.36 : 124,895.55 = 29,963.54 : x - Step 2: Convert to fraction form
83,279.36/124,895.55 = 29,963.54/x - Step 3: Cross multiply
83,279.36x = 124,895.55 × 29,963.54 - Step 4: Simplify right side
83,279.36x = 3,742,312,808.25 - Step 5: Solve for x
x = 3,742,312,808.25/83,279.36 - Step 6: Final answer
x = 44,936.86
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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.