Finding the Fourth Proportional to 88,417.58, 122,017.30 and 48,132.05
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Solution
The fourth proportional to 88,417.58, 122,017.30 and 48,132.05 is: 66,422.80
Step by Step Solution
- Step 1: Write the proportion equation
88,417.58 : 122,017.30 = 48,132.05 : x - Step 2: Convert to fraction form
88,417.58/122,017.30 = 48,132.05/x - Step 3: Cross multiply
88,417.58x = 122,017.30 × 48,132.05 - Step 4: Simplify right side
88,417.58x = 5,872,942,969.18 - Step 5: Solve for x
x = 5,872,942,969.18/88,417.58 - Step 6: Final answer
x = 66,422.80
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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.