Finding the Fourth Proportional to 73,463.16, 101,420.81 and 56,203.07
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Solution
The fourth proportional to 73,463.16, 101,420.81 and 56,203.07 is: 77,592.09
Step by Step Solution
- Step 1: Write the proportion equation
73,463.16 : 101,420.81 = 56,203.07 : x - Step 2: Convert to fraction form
73,463.16/101,420.81 = 56,203.07/x - Step 3: Cross multiply
73,463.16x = 101,420.81 × 56,203.07 - Step 4: Simplify right side
73,463.16x = 5,700,160,095.77 - Step 5: Solve for x
x = 5,700,160,095.77/73,463.16 - Step 6: Final answer
x = 77,592.09
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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.