Finding the Fourth Proportional to 83,360.86, 115,038.91 and 47,552.99
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Solution
The fourth proportional to 83,360.86, 115,038.91 and 47,552.99 is: 65,623.65
Step by Step Solution
- Step 1: Write the proportion equation
83,360.86 : 115,038.91 = 47,552.99 : x - Step 2: Convert to fraction form
83,360.86/115,038.91 = 47,552.99/x - Step 3: Cross multiply
83,360.86x = 115,038.91 × 47,552.99 - Step 4: Simplify right side
83,360.86x = 5,470,444,134.44 - Step 5: Solve for x
x = 5,470,444,134.44/83,360.86 - Step 6: Final answer
x = 65,623.65
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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.