Finding the Fourth Proportional to 93,842.71, 129,505.05 and 53,555.67
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Solution
The fourth proportional to 93,842.71, 129,505.05 and 53,555.67 is: 73,908.03
Step by Step Solution
- Step 1: Write the proportion equation
93,842.71 : 129,505.05 = 53,555.67 : x - Step 2: Convert to fraction form
93,842.71/129,505.05 = 53,555.67/x - Step 3: Cross multiply
93,842.71x = 129,505.05 × 53,555.67 - Step 4: Simplify right side
93,842.71x = 6,935,729,721.13 - Step 5: Solve for x
x = 6,935,729,721.13/93,842.71 - Step 6: Final answer
x = 73,908.03
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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.