Finding the Fourth Proportional to 98,545.06, 135,992.14 and 53,223.02
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Solution
The fourth proportional to 98,545.06, 135,992.14 and 53,223.02 is: 73,447.75
Step by Step Solution
- Step 1: Write the proportion equation
98,545.06 : 135,992.14 = 53,223.02 : x - Step 2: Convert to fraction form
98,545.06/135,992.14 = 53,223.02/x - Step 3: Cross multiply
98,545.06x = 135,992.14 × 53,223.02 - Step 4: Simplify right side
98,545.06x = 7,237,912,998.66 - Step 5: Solve for x
x = 7,237,912,998.66/98,545.06 - Step 6: Final answer
x = 73,447.75
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1.5x scale
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.