Finding the Fourth Proportional to 77,230.08, 115,854.24 and 24,621.12
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Solution
The fourth proportional to 77,230.08, 115,854.24 and 24,621.12 is: 36,934.59
Step by Step Solution
- Step 1: Write the proportion equation
77,230.08 : 115,854.24 = 24,621.12 : x - Step 2: Convert to fraction form
77,230.08/115,854.24 = 24,621.12/x - Step 3: Cross multiply
77,230.08x = 115,854.24 × 24,621.12 - Step 4: Simplify right side
77,230.08x = 2,852,461,145.55 - Step 5: Solve for x
x = 2,852,461,145.55/77,230.08 - Step 6: Final answer
x = 36,934.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.