Finding the Fourth Proportional to 88,259.01, 121,797.66 and 47,972.70
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Solution
The fourth proportional to 88,259.01, 121,797.66 and 47,972.70 is: 66,202.45
Step by Step Solution
- Step 1: Write the proportion equation
88,259.01 : 121,797.66 = 47,972.70 : x - Step 2: Convert to fraction form
88,259.01/121,797.66 = 47,972.70/x - Step 3: Cross multiply
88,259.01x = 121,797.66 × 47,972.70 - Step 4: Simplify right side
88,259.01x = 5,842,962,603.88 - Step 5: Solve for x
x = 5,842,962,603.88/88,259.01 - Step 6: Final answer
x = 66,202.45
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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.