Finding the Fourth Proportional to 94,126.34, 129,894.08 and 56,400.59
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Solution
The fourth proportional to 94,126.34, 129,894.08 and 56,400.59 is: 77,832.65
Step by Step Solution
- Step 1: Write the proportion equation
94,126.34 : 129,894.08 = 56,400.59 : x - Step 2: Convert to fraction form
94,126.34/129,894.08 = 56,400.59/x - Step 3: Cross multiply
94,126.34x = 129,894.08 × 56,400.59 - Step 4: Simplify right side
94,126.34x = 7,326,101,818.03 - Step 5: Solve for x
x = 7,326,101,818.03/94,126.34 - Step 6: Final answer
x = 77,832.65
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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.