Finding the Fourth Proportional to 88,125.14, 121,612.74 and 47,838.90
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Solution
The fourth proportional to 88,125.14, 121,612.74 and 47,838.90 is: 66,017.71
Step by Step Solution
- Step 1: Write the proportion equation
88,125.14 : 121,612.74 = 47,838.90 : x - Step 2: Convert to fraction form
88,125.14/121,612.74 = 47,838.90/x - Step 3: Cross multiply
88,125.14x = 121,612.74 × 47,838.90 - Step 4: Simplify right side
88,125.14x = 5,817,819,707.59 - Step 5: Solve for x
x = 5,817,819,707.59/88,125.14 - Step 6: Final answer
x = 66,017.71
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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.