Finding the Fourth Proportional to 73,507.86, 101,497.98 and 56,485.28
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Solution
The fourth proportional to 73,507.86, 101,497.98 and 56,485.28 is: 77,993.58
Step by Step Solution
- Step 1: Write the proportion equation
73,507.86 : 101,497.98 = 56,485.28 : x - Step 2: Convert to fraction form
73,507.86/101,497.98 = 56,485.28/x - Step 3: Cross multiply
73,507.86x = 101,497.98 × 56,485.28 - Step 4: Simplify right side
73,507.86x = 5,733,141,312.24 - Step 5: Solve for x
x = 5,733,141,312.24/73,507.86 - Step 6: Final answer
x = 77,993.58
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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.