Finding the Fourth Proportional to 84,210.84, 116,211.06 and 46,485.09
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Solution
The fourth proportional to 84,210.84, 116,211.06 and 46,485.09 is: 64,149.48
Step by Step Solution
- Step 1: Write the proportion equation
84,210.84 : 116,211.06 = 46,485.09 : x - Step 2: Convert to fraction form
84,210.84/116,211.06 = 46,485.09/x - Step 3: Cross multiply
84,210.84x = 116,211.06 × 46,485.09 - Step 4: Simplify right side
84,210.84x = 5,402,081,583.10 - Step 5: Solve for x
x = 5,402,081,583.10/84,210.84 - Step 6: Final answer
x = 64,149.48
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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.