Finding the Fourth Proportional to 93,304.13, 128,759.74 and 53,017.94
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Solution
The fourth proportional to 93,304.13, 128,759.74 and 53,017.94 is: 73,164.79
Step by Step Solution
- Step 1: Write the proportion equation
93,304.13 : 128,759.74 = 53,017.94 : x - Step 2: Convert to fraction form
93,304.13/128,759.74 = 53,017.94/x - Step 3: Cross multiply
93,304.13x = 128,759.74 × 53,017.94 - Step 4: Simplify right side
93,304.13x = 6,826,576,359.09 - Step 5: Solve for x
x = 6,826,576,359.09/93,304.13 - Step 6: Final answer
x = 73,164.79
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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.