Finding the Fourth Proportional to 77,964.13, 107,599.73 and 46,133.03
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Solution
The fourth proportional to 77,964.13, 107,599.73 and 46,133.03 is: 63,669.04
Step by Step Solution
- Step 1: Write the proportion equation
77,964.13 : 107,599.73 = 46,133.03 : x - Step 2: Convert to fraction form
77,964.13/107,599.73 = 46,133.03/x - Step 3: Cross multiply
77,964.13x = 107,599.73 × 46,133.03 - Step 4: Simplify right side
77,964.13x = 4,963,901,572.08 - Step 5: Solve for x
x = 4,963,901,572.08/77,964.13 - Step 6: Final answer
x = 63,669.04
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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.