Finding the Fourth Proportional to 75,953.34, 113,929.65 and 42,203.46
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Solution
The fourth proportional to 75,953.34, 113,929.65 and 42,203.46 is: 63,304.99
Step by Step Solution
- Step 1: Write the proportion equation
75,953.34 : 113,929.65 = 42,203.46 : x - Step 2: Convert to fraction form
75,953.34/113,929.65 = 42,203.46/x - Step 3: Cross multiply
75,953.34x = 113,929.65 × 42,203.46 - Step 4: Simplify right side
75,953.34x = 4,808,225,426.59 - Step 5: Solve for x
x = 4,808,225,426.59/75,953.34 - Step 6: Final answer
x = 63,304.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.