Finding the Fourth Proportional to 88,115.04, 121,599.68 and 47,829.15
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Solution
The fourth proportional to 88,115.04, 121,599.68 and 47,829.15 is: 66,004.73
Step by Step Solution
- Step 1: Write the proportion equation
88,115.04 : 121,599.68 = 47,829.15 : x - Step 2: Convert to fraction form
88,115.04/121,599.68 = 47,829.15/x - Step 3: Cross multiply
88,115.04x = 121,599.68 × 47,829.15 - Step 4: Simplify right side
88,115.04x = 5,816,009,095.53 - Step 5: Solve for x
x = 5,816,009,095.53/88,115.04 - Step 6: Final answer
x = 66,004.73
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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.