Finding the Fourth Proportional to 86,360.74, 129,545.76 and 27,201.04
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Solution
The fourth proportional to 86,360.74, 129,545.76 and 27,201.04 is: 40,803.02
Step by Step Solution
- Step 1: Write the proportion equation
86,360.74 : 129,545.76 = 27,201.04 : x - Step 2: Convert to fraction form
86,360.74/129,545.76 = 27,201.04/x - Step 3: Cross multiply
86,360.74x = 129,545.76 × 27,201.04 - Step 4: Simplify right side
86,360.74x = 3,523,779,399.59 - Step 5: Solve for x
x = 3,523,779,399.59/86,360.74 - Step 6: Final answer
x = 40,803.02
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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.