Finding the Fourth Proportional to 77,070.33, 115,535.43 and 29,655.18
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Solution
The fourth proportional to 77,070.33, 115,535.43 and 29,655.18 is: 44,455.80
Step by Step Solution
- Step 1: Write the proportion equation
77,070.33 : 115,535.43 = 29,655.18 : x - Step 2: Convert to fraction form
77,070.33/115,535.43 = 29,655.18/x - Step 3: Cross multiply
77,070.33x = 115,535.43 × 29,655.18 - Step 4: Simplify right side
77,070.33x = 3,426,223,247.07 - Step 5: Solve for x
x = 3,426,223,247.07/77,070.33 - Step 6: Final answer
x = 44,455.80
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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.