Finding the Fourth Proportional to 77,259.31, 115,937.71 and 32,885.99
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Solution
The fourth proportional to 77,259.31, 115,937.71 and 32,885.99 is: 49,349.73
Step by Step Solution
- Step 1: Write the proportion equation
77,259.31 : 115,937.71 = 32,885.99 : x - Step 2: Convert to fraction form
77,259.31/115,937.71 = 32,885.99/x - Step 3: Cross multiply
77,259.31x = 115,937.71 × 32,885.99 - Step 4: Simplify right side
77,259.31x = 3,812,726,329.53 - Step 5: Solve for x
x = 3,812,726,329.53/77,259.31 - Step 6: Final answer
x = 49,349.73
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1.5x scale
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.