Finding the Fourth Proportional to 88,972.48, 122,776.62 and 50,726.68
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Solution
The fourth proportional to 88,972.48, 122,776.62 and 50,726.68 is: 69,999.74
Step by Step Solution
- Step 1: Write the proportion equation
88,972.48 : 122,776.62 = 50,726.68 : x - Step 2: Convert to fraction form
88,972.48/122,776.62 = 50,726.68/x - Step 3: Cross multiply
88,972.48x = 122,776.62 × 50,726.68 - Step 4: Simplify right side
88,972.48x = 6,228,050,314.22 - Step 5: Solve for x
x = 6,228,050,314.22/88,972.48 - Step 6: Final answer
x = 69,999.74
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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.