Finding the Fourth Proportional to 88,122.48, 121,607.88 and 47,835.92
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Solution
The fourth proportional to 88,122.48, 121,607.88 and 47,835.92 is: 66,012.95
Step by Step Solution
- Step 1: Write the proportion equation
88,122.48 : 121,607.88 = 47,835.92 : x - Step 2: Convert to fraction form
88,122.48/121,607.88 = 47,835.92/x - Step 3: Cross multiply
88,122.48x = 121,607.88 × 47,835.92 - Step 4: Simplify right side
88,122.48x = 5,817,224,819.05 - Step 5: Solve for x
x = 5,817,224,819.05/88,122.48 - Step 6: Final answer
x = 66,012.95
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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.