Finding the Fourth Proportional to 96,988.77, 145,483.17 and 26,868.09
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Solution
The fourth proportional to 96,988.77, 145,483.17 and 26,868.09 is: 40,302.14
Step by Step Solution
- Step 1: Write the proportion equation
96,988.77 : 145,483.17 = 26,868.09 : x - Step 2: Convert to fraction form
96,988.77/145,483.17 = 26,868.09/x - Step 3: Cross multiply
96,988.77x = 145,483.17 × 26,868.09 - Step 4: Simplify right side
96,988.77x = 3,908,854,905.05 - Step 5: Solve for x
x = 3,908,854,905.05/96,988.77 - Step 6: Final answer
x = 40,302.14
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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.