Finding the Fourth Proportional to 96,817.24, 133,607.36 and 53,803.74
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Solution
The fourth proportional to 96,817.24, 133,607.36 and 53,803.74 is: 74,248.92
Step by Step Solution
- Step 1: Write the proportion equation
96,817.24 : 133,607.36 = 53,803.74 : x - Step 2: Convert to fraction form
96,817.24/133,607.36 = 53,803.74/x - Step 3: Cross multiply
96,817.24x = 133,607.36 × 53,803.74 - Step 4: Simplify right side
96,817.24x = 7,188,575,659.53 - Step 5: Solve for x
x = 7,188,575,659.53/96,817.24 - Step 6: Final answer
x = 74,248.92
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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.