Finding the Fourth Proportional to 93,750.03, 129,382.79 and 53,465.49
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Solution
The fourth proportional to 93,750.03, 129,382.79 and 53,465.49 is: 73,786.79
Step by Step Solution
- Step 1: Write the proportion equation
93,750.03 : 129,382.79 = 53,465.49 : x - Step 2: Convert to fraction form
93,750.03/129,382.79 = 53,465.49/x - Step 3: Cross multiply
93,750.03x = 129,382.79 × 53,465.49 - Step 4: Simplify right side
93,750.03x = 6,917,513,997.59 - Step 5: Solve for x
x = 6,917,513,997.59/93,750.03 - Step 6: Final answer
x = 73,786.79
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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.