Finding the Fourth Proportional to 77,036.49, 115,614.99 and 39,595.05
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Solution
The fourth proportional to 77,036.49, 115,614.99 and 39,595.05 is: 59,423.54
Step by Step Solution
- Step 1: Write the proportion equation
77,036.49 : 115,614.99 = 39,595.05 : x - Step 2: Convert to fraction form
77,036.49/115,614.99 = 39,595.05/x - Step 3: Cross multiply
77,036.49x = 115,614.99 × 39,595.05 - Step 4: Simplify right side
77,036.49x = 4,577,781,309.80 - Step 5: Solve for x
x = 4,577,781,309.80/77,036.49 - Step 6: Final answer
x = 59,423.54
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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.