Finding the Fourth Proportional to 97,014.67, 133,860.08 and 56,720.63
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Solution
The fourth proportional to 97,014.67, 133,860.08 and 56,720.63 is: 78,262.68
Step by Step Solution
- Step 1: Write the proportion equation
97,014.67 : 133,860.08 = 56,720.63 : x - Step 2: Convert to fraction form
97,014.67/133,860.08 = 56,720.63/x - Step 3: Cross multiply
97,014.67x = 133,860.08 × 56,720.63 - Step 4: Simplify right side
97,014.67x = 7,592,627,785.85 - Step 5: Solve for x
x = 7,592,627,785.85/97,014.67 - Step 6: Final answer
x = 78,262.68
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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.