Finding the Fourth Proportional to 94,153.07, 129,953.64 and 53,890.07
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Solution
The fourth proportional to 94,153.07, 129,953.64 and 53,890.07 is: 74,381.12
Step by Step Solution
- Step 1: Write the proportion equation
94,153.07 : 129,953.64 = 53,890.07 : x - Step 2: Convert to fraction form
94,153.07/129,953.64 = 53,890.07/x - Step 3: Cross multiply
94,153.07x = 129,953.64 × 53,890.07 - Step 4: Simplify right side
94,153.07x = 7,003,210,106.59 - Step 5: Solve for x
x = 7,003,210,106.59/94,153.07 - Step 6: Final answer
x = 74,381.12
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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.