Finding the Fourth Proportional to 93,763.80, 129,394.80 and 51,322.68
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Solution
The fourth proportional to 93,763.80, 129,394.80 and 51,322.68 is: 70,825.71
Step by Step Solution
- Step 1: Write the proportion equation
93,763.80 : 129,394.80 = 51,322.68 : x - Step 2: Convert to fraction form
93,763.80/129,394.80 = 51,322.68/x - Step 3: Cross multiply
93,763.80x = 129,394.80 × 51,322.68 - Step 4: Simplify right side
93,763.80x = 6,640,887,914.06 - Step 5: Solve for x
x = 6,640,887,914.06/93,763.80 - Step 6: Final answer
x = 70,825.71
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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.