Finding the Fourth Proportional to 76,913.99, 115,422.47 and 26,994.32
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Solution
The fourth proportional to 76,913.99, 115,422.47 and 26,994.32 is: 40,509.55
Step by Step Solution
- Step 1: Write the proportion equation
76,913.99 : 115,422.47 = 26,994.32 : x - Step 2: Convert to fraction form
76,913.99/115,422.47 = 26,994.32/x - Step 3: Cross multiply
76,913.99x = 115,422.47 × 26,994.32 - Step 4: Simplify right side
76,913.99x = 3,115,750,955.40 - Step 5: Solve for x
x = 3,115,750,955.40/76,913.99 - Step 6: Final answer
x = 40,509.55
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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.