Finding the Fourth Proportional to 101,604.07, 140,214.74 and 56,282.75
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Solution
The fourth proportional to 101,604.07, 140,214.74 and 56,282.75 is: 77,670.82
Step by Step Solution
- Step 1: Write the proportion equation
101,604.07 : 140,214.74 = 56,282.75 : x - Step 2: Convert to fraction form
101,604.07/140,214.74 = 56,282.75/x - Step 3: Cross multiply
101,604.07x = 140,214.74 × 56,282.75 - Step 4: Simplify right side
101,604.07x = 7,891,671,157.74 - Step 5: Solve for x
x = 7,891,671,157.74/101,604.07 - Step 6: Final answer
x = 77,670.82
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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.