Finding the Fourth Proportional to 83,156.76, 114,750.96 and 45,430.98
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Solution
The fourth proportional to 83,156.76, 114,750.96 and 45,430.98 is: 62,691.82
Step by Step Solution
- Step 1: Write the proportion equation
83,156.76 : 114,750.96 = 45,430.98 : x - Step 2: Convert to fraction form
83,156.76/114,750.96 = 45,430.98/x - Step 3: Cross multiply
83,156.76x = 114,750.96 × 45,430.98 - Step 4: Simplify right side
83,156.76x = 5,213,248,568.74 - Step 5: Solve for x
x = 5,213,248,568.74/83,156.76 - Step 6: Final answer
x = 62,691.82
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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.