Finding the Fourth Proportional to 105,024.60, 157,456.71 and 52,470.99
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Solution
The fourth proportional to 105,024.60, 157,456.71 and 52,470.99 is: 78,666.42
Step by Step Solution
- Step 1: Write the proportion equation
105,024.60 : 157,456.71 = 52,470.99 : x - Step 2: Convert to fraction form
105,024.60/157,456.71 = 52,470.99/x - Step 3: Cross multiply
105,024.60x = 157,456.71 × 52,470.99 - Step 4: Simplify right side
105,024.60x = 8,261,909,455.84 - Step 5: Solve for x
x = 8,261,909,455.84/105,024.60 - Step 6: Final answer
x = 78,666.42
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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.