Finding the Fourth Proportional to 86,603.46, 129,890.55 and 24,259.62
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Solution
The fourth proportional to 86,603.46, 129,890.55 and 24,259.62 is: 36,385.33
Step by Step Solution
- Step 1: Write the proportion equation
86,603.46 : 129,890.55 = 24,259.62 : x - Step 2: Convert to fraction form
86,603.46/129,890.55 = 24,259.62/x - Step 3: Cross multiply
86,603.46x = 129,890.55 × 24,259.62 - Step 4: Simplify right side
86,603.46x = 3,151,095,384.59 - Step 5: Solve for x
x = 3,151,095,384.59/86,603.46 - Step 6: Final answer
x = 36,385.33
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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.