Finding the Fourth Proportional to 101,369.68, 139,884.51 and 56,045.02
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Solution
The fourth proportional to 101,369.68, 139,884.51 and 56,045.02 is: 77,339.00
Step by Step Solution
- Step 1: Write the proportion equation
101,369.68 : 139,884.51 = 56,045.02 : x - Step 2: Convert to fraction form
101,369.68/139,884.51 = 56,045.02/x - Step 3: Cross multiply
101,369.68x = 139,884.51 × 56,045.02 - Step 4: Simplify right side
101,369.68x = 7,839,829,810.93 - Step 5: Solve for x
x = 7,839,829,810.93/101,369.68 - Step 6: Final answer
x = 77,339.00
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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.