Finding the Fourth Proportional to 92,937.26, 139,327.53 and 40,307.12
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Solution
The fourth proportional to 92,937.26, 139,327.53 and 40,307.12 is: 60,426.70
Step by Step Solution
- Step 1: Write the proportion equation
92,937.26 : 139,327.53 = 40,307.12 : x - Step 2: Convert to fraction form
92,937.26/139,327.53 = 40,307.12/x - Step 3: Cross multiply
92,937.26x = 139,327.53 × 40,307.12 - Step 4: Simplify right side
92,937.26x = 5,615,891,471.01 - Step 5: Solve for x
x = 5,615,891,471.01/92,937.26 - Step 6: Final answer
x = 60,426.70
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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.