Finding the Fourth Proportional to 101,363.13, 139,868.91 and 56,034.99
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Solution
The fourth proportional to 101,363.13, 139,868.91 and 56,034.99 is: 77,321.54
Step by Step Solution
- Step 1: Write the proportion equation
101,363.13 : 139,868.91 = 56,034.99 : x - Step 2: Convert to fraction form
101,363.13/139,868.91 = 56,034.99/x - Step 3: Cross multiply
101,363.13x = 139,868.91 × 56,034.99 - Step 4: Simplify right side
101,363.13x = 7,837,552,973.16 - Step 5: Solve for x
x = 7,837,552,973.16/101,363.13 - Step 6: Final answer
x = 77,321.54
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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.