Finding the Fourth Proportional to 77,312.71, 115,976.15 and 24,004.99
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Solution
The fourth proportional to 77,312.71, 115,976.15 and 24,004.99 is: 36,009.68
Step by Step Solution
- Step 1: Write the proportion equation
77,312.71 : 115,976.15 = 24,004.99 : x - Step 2: Convert to fraction form
77,312.71/115,976.15 = 24,004.99/x - Step 3: Cross multiply
77,312.71x = 115,976.15 × 24,004.99 - Step 4: Simplify right side
77,312.71x = 2,784,005,621.08 - Step 5: Solve for x
x = 2,784,005,621.08/77,312.71 - Step 6: Final answer
x = 36,009.68
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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.