Finding the Fourth Proportional to 96,448.33, 133,095.68 and 53,426.09
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Solution
The fourth proportional to 96,448.33, 133,095.68 and 53,426.09 is: 73,726.33
Step by Step Solution
- Step 1: Write the proportion equation
96,448.33 : 133,095.68 = 53,426.09 : x - Step 2: Convert to fraction form
96,448.33/133,095.68 = 53,426.09/x - Step 3: Cross multiply
96,448.33x = 133,095.68 × 53,426.09 - Step 4: Simplify right side
96,448.33x = 7,110,781,778.29 - Step 5: Solve for x
x = 7,110,781,778.29/96,448.33 - Step 6: Final answer
x = 73,726.33
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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.