Finding the Fourth Proportional to 88,438.24, 122,005.34 and 59,748.68
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Solution
The fourth proportional to 88,438.24, 122,005.34 and 59,748.68 is: 82,426.54
Step by Step Solution
- Step 1: Write the proportion equation
88,438.24 : 122,005.34 = 59,748.68 : x - Step 2: Convert to fraction form
88,438.24/122,005.34 = 59,748.68/x - Step 3: Cross multiply
88,438.24x = 122,005.34 × 59,748.68 - Step 4: Simplify right side
88,438.24x = 7,289,658,017.95 - Step 5: Solve for x
x = 7,289,658,017.95/88,438.24 - Step 6: Final answer
x = 82,426.54
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1.5x scale
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.