Finding the Fourth Proportional to 101,291.41, 139,774.84 and 55,968.87
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Solution
The fourth proportional to 101,291.41, 139,774.84 and 55,968.87 is: 77,233.00
Step by Step Solution
- Step 1: Write the proportion equation
101,291.41 : 139,774.84 = 55,968.87 : x - Step 2: Convert to fraction form
101,291.41/139,774.84 = 55,968.87/x - Step 3: Cross multiply
101,291.41x = 139,774.84 × 55,968.87 - Step 4: Simplify right side
101,291.41x = 7,823,039,849.23 - Step 5: Solve for x
x = 7,823,039,849.23/101,291.41 - Step 6: Final answer
x = 77,233.00
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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.