Finding the Fourth Proportional to 88,248.88, 121,782.68 and 53,783.68
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Solution
The fourth proportional to 88,248.88, 121,782.68 and 53,783.68 is: 74,221.01
Step by Step Solution
- Step 1: Write the proportion equation
88,248.88 : 121,782.68 = 53,783.68 : x - Step 2: Convert to fraction form
88,248.88/121,782.68 = 53,783.68/x - Step 3: Cross multiply
88,248.88x = 121,782.68 × 53,783.68 - Step 4: Simplify right side
88,248.88x = 6,549,920,690.66 - Step 5: Solve for x
x = 6,549,920,690.66/88,248.88 - Step 6: Final answer
x = 74,221.01
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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.