Finding the Fourth Proportional to 97,913.24, 135,119.94 and 55,479.86
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Solution
The fourth proportional to 97,913.24, 135,119.94 and 55,479.86 is: 76,562.02
Step by Step Solution
- Step 1: Write the proportion equation
97,913.24 : 135,119.94 = 55,479.86 : x - Step 2: Convert to fraction form
97,913.24/135,119.94 = 55,479.86/x - Step 3: Cross multiply
97,913.24x = 135,119.94 × 55,479.86 - Step 4: Simplify right side
97,913.24x = 7,496,435,354.41 - Step 5: Solve for x
x = 7,496,435,354.41/97,913.24 - Step 6: Final answer
x = 76,562.02
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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.