Finding the Fourth Proportional to 96,782.57, 133,547.56 and 56,487.09
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Solution
The fourth proportional to 96,782.57, 133,547.56 and 56,487.09 is: 77,944.95
Step by Step Solution
- Step 1: Write the proportion equation
96,782.57 : 133,547.56 = 56,487.09 : x - Step 2: Convert to fraction form
96,782.57/133,547.56 = 56,487.09/x - Step 3: Cross multiply
96,782.57x = 133,547.56 × 56,487.09 - Step 4: Simplify right side
96,782.57x = 7,543,713,041.00 - Step 5: Solve for x
x = 7,543,713,041.00/96,782.57 - Step 6: Final answer
x = 77,944.95
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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.