Finding the Fourth Proportional to 88,307.31, 121,865.58 and 48,022.26
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Solution
The fourth proportional to 88,307.31, 121,865.58 and 48,022.26 is: 66,271.52
Step by Step Solution
- Step 1: Write the proportion equation
88,307.31 : 121,865.58 = 48,022.26 : x - Step 2: Convert to fraction form
88,307.31/121,865.58 = 48,022.26/x - Step 3: Cross multiply
88,307.31x = 121,865.58 × 48,022.26 - Step 4: Simplify right side
88,307.31x = 5,852,259,718.37 - Step 5: Solve for x
x = 5,852,259,718.37/88,307.31 - Step 6: Final answer
x = 66,271.52
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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.