Finding the Fourth Proportional to 92,955.50, 128,278.72 and 52,671.99
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Solution
The fourth proportional to 92,955.50, 128,278.72 and 52,671.99 is: 72,687.42
Step by Step Solution
- Step 1: Write the proportion equation
92,955.50 : 128,278.72 = 52,671.99 : x - Step 2: Convert to fraction form
92,955.50/128,278.72 = 52,671.99/x - Step 3: Cross multiply
92,955.50x = 128,278.72 × 52,671.99 - Step 4: Simplify right side
92,955.50x = 6,756,695,457.05 - Step 5: Solve for x
x = 6,756,695,457.05/92,955.50 - Step 6: Final answer
x = 72,687.42
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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.