Finding the Fourth Proportional to 88,320.68, 121,881.36 and 48,033.58
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Solution
The fourth proportional to 88,320.68, 121,881.36 and 48,033.58 is: 66,285.70
Step by Step Solution
- Step 1: Write the proportion equation
88,320.68 : 121,881.36 = 48,033.58 : x - Step 2: Convert to fraction form
88,320.68/121,881.36 = 48,033.58/x - Step 3: Cross multiply
88,320.68x = 121,881.36 × 48,033.58 - Step 4: Simplify right side
88,320.68x = 5,854,398,056.07 - Step 5: Solve for x
x = 5,854,398,056.07/88,320.68 - Step 6: Final answer
x = 66,285.70
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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.