Finding the Fourth Proportional to 96,913.84, 145,427.16 and 40,749.88
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Solution
The fourth proportional to 96,913.84, 145,427.16 and 40,749.88 is: 61,148.53
Step by Step Solution
- Step 1: Write the proportion equation
96,913.84 : 145,427.16 = 40,749.88 : x - Step 2: Convert to fraction form
96,913.84/145,427.16 = 40,749.88/x - Step 3: Cross multiply
96,913.84x = 145,427.16 × 40,749.88 - Step 4: Simplify right side
96,913.84x = 5,926,139,318.74 - Step 5: Solve for x
x = 5,926,139,318.74/96,913.84 - Step 6: Final answer
x = 61,148.53
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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.