Finding the Fourth Proportional to 74,011.30, 110,313.39 and 69,807.71
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Solution
The fourth proportional to 74,011.30, 110,313.39 and 69,807.71 is: 104,047.96
Step by Step Solution
- Step 1: Write the proportion equation
74,011.30 : 110,313.39 = 69,807.71 : x - Step 2: Convert to fraction form
74,011.30/110,313.39 = 69,807.71/x - Step 3: Cross multiply
74,011.30x = 110,313.39 × 69,807.71 - Step 4: Simplify right side
74,011.30x = 7,700,725,138.24 - Step 5: Solve for x
x = 7,700,725,138.24/74,011.30 - Step 6: Final answer
x = 104,047.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.