Finding the Fourth Proportional to 88,298.55, 121,852.14 and 48,012.28
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Solution
The fourth proportional to 88,298.55, 121,852.14 and 48,012.28 is: 66,257.02
Step by Step Solution
- Step 1: Write the proportion equation
88,298.55 : 121,852.14 = 48,012.28 : x - Step 2: Convert to fraction form
88,298.55/121,852.14 = 48,012.28/x - Step 3: Cross multiply
88,298.55x = 121,852.14 × 48,012.28 - Step 4: Simplify right side
88,298.55x = 5,850,399,064.28 - Step 5: Solve for x
x = 5,850,399,064.28/88,298.55 - Step 6: Final answer
x = 66,257.02
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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.