Finding the Fourth Proportional to 97,803.30, 135,000.63 and 57,515.13
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Solution
The fourth proportional to 97,803.30, 135,000.63 and 57,515.13 is: 79,389.74
Step by Step Solution
- Step 1: Write the proportion equation
97,803.30 : 135,000.63 = 57,515.13 : x - Step 2: Convert to fraction form
97,803.30/135,000.63 = 57,515.13/x - Step 3: Cross multiply
97,803.30x = 135,000.63 × 57,515.13 - Step 4: Simplify right side
97,803.30x = 7,764,578,784.53 - Step 5: Solve for x
x = 7,764,578,784.53/97,803.30 - Step 6: Final answer
x = 79,389.74
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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.