Finding the Fourth Proportional to 77,282.97, 115,940.99 and 23,973.79
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Solution
The fourth proportional to 77,282.97, 115,940.99 and 23,973.79 is: 35,965.82
Step by Step Solution
- Step 1: Write the proportion equation
77,282.97 : 115,940.99 = 23,973.79 : x - Step 2: Convert to fraction form
77,282.97/115,940.99 = 23,973.79/x - Step 3: Cross multiply
77,282.97x = 115,940.99 × 23,973.79 - Step 4: Simplify right side
77,282.97x = 2,779,545,018.55 - Step 5: Solve for x
x = 2,779,545,018.55/77,282.97 - Step 6: Final answer
x = 35,965.82
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1.5x scale
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.