Finding the Fourth Proportional to 72,283.53, 108,490.10 and 60,510.99
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Solution
The fourth proportional to 72,283.53, 108,490.10 and 60,510.99 is: 90,820.73
Step by Step Solution
- Step 1: Write the proportion equation
72,283.53 : 108,490.10 = 60,510.99 : x - Step 2: Convert to fraction form
72,283.53/108,490.10 = 60,510.99/x - Step 3: Cross multiply
72,283.53x = 108,490.10 × 60,510.99 - Step 4: Simplify right side
72,283.53x = 6,564,843,053.64 - Step 5: Solve for x
x = 6,564,843,053.64/72,283.53 - Step 6: Final answer
x = 90,820.73
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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.