Finding the Fourth Proportional to 99,030.99, 136,680.23 and 58,766.95
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Solution
The fourth proportional to 99,030.99, 136,680.23 and 58,766.95 is: 81,108.75
Step by Step Solution
- Step 1: Write the proportion equation
99,030.99 : 136,680.23 = 58,766.95 : x - Step 2: Convert to fraction form
99,030.99/136,680.23 = 58,766.95/x - Step 3: Cross multiply
99,030.99x = 136,680.23 × 58,766.95 - Step 4: Simplify right side
99,030.99x = 8,032,280,242.40 - Step 5: Solve for x
x = 8,032,280,242.40/99,030.99 - Step 6: Final answer
x = 81,108.75
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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.