Finding the Fourth Proportional to 76,994.17, 115,495.40 and 24,407.76
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Solution
The fourth proportional to 76,994.17, 115,495.40 and 24,407.76 is: 36,612.95
Step by Step Solution
- Step 1: Write the proportion equation
76,994.17 : 115,495.40 = 24,407.76 : x - Step 2: Convert to fraction form
76,994.17/115,495.40 = 24,407.76/x - Step 3: Cross multiply
76,994.17x = 115,495.40 × 24,407.76 - Step 4: Simplify right side
76,994.17x = 2,818,984,004.30 - Step 5: Solve for x
x = 2,818,984,004.30/76,994.17 - Step 6: Final answer
x = 36,612.95
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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.