Finding the Fourth Proportional to 88,295.13, 121,873.55 and 50,594.49
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Solution
The fourth proportional to 88,295.13, 121,873.55 and 50,594.49 is: 69,835.45
Step by Step Solution
- Step 1: Write the proportion equation
88,295.13 : 121,873.55 = 50,594.49 : x - Step 2: Convert to fraction form
88,295.13/121,873.55 = 50,594.49/x - Step 3: Cross multiply
88,295.13x = 121,873.55 × 50,594.49 - Step 4: Simplify right side
88,295.13x = 6,166,129,853.77 - Step 5: Solve for x
x = 6,166,129,853.77/88,295.13 - Step 6: Final answer
x = 69,835.45
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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.