Finding the Fourth Proportional to 77,232.08, 106,525.24 and 70,879.19
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Solution
The fourth proportional to 77,232.08, 106,525.24 and 70,879.19 is: 97,762.77
Step by Step Solution
- Step 1: Write the proportion equation
77,232.08 : 106,525.24 = 70,879.19 : x - Step 2: Convert to fraction form
77,232.08/106,525.24 = 70,879.19/x - Step 3: Cross multiply
77,232.08x = 106,525.24 × 70,879.19 - Step 4: Simplify right side
77,232.08x = 7,550,422,565.01 - Step 5: Solve for x
x = 7,550,422,565.01/77,232.08 - Step 6: Final answer
x = 97,762.77
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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.