Finding the Fourth Proportional to 84,737.28, 116,937.59 and 47,011.53
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Solution
The fourth proportional to 84,737.28, 116,937.59 and 47,011.53 is: 64,875.99
Step by Step Solution
- Step 1: Write the proportion equation
84,737.28 : 116,937.59 = 47,011.53 : x - Step 2: Convert to fraction form
84,737.28/116,937.59 = 47,011.53/x - Step 3: Cross multiply
84,737.28x = 116,937.59 × 47,011.53 - Step 4: Simplify right side
84,737.28x = 5,497,414,785.36 - Step 5: Solve for x
x = 5,497,414,785.36/84,737.28 - Step 6: Final answer
x = 64,875.99
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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.