Finding the Fourth Proportional to 88,107.68, 121,587.35 and 47,820.41
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Solution
The fourth proportional to 88,107.68, 121,587.35 and 47,820.41 is: 65,991.49
Step by Step Solution
- Step 1: Write the proportion equation
88,107.68 : 121,587.35 = 47,820.41 : x - Step 2: Convert to fraction form
88,107.68/121,587.35 = 47,820.41/x - Step 3: Cross multiply
88,107.68x = 121,587.35 × 47,820.41 - Step 4: Simplify right side
88,107.68x = 5,814,356,688.71 - Step 5: Solve for x
x = 5,814,356,688.71/88,107.68 - Step 6: Final answer
x = 65,991.49
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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.