Finding the Fourth Proportional to 101,684.23, 140,328.93 and 56,363.19
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Solution
The fourth proportional to 101,684.23, 140,328.93 and 56,363.19 is: 77,783.80
Step by Step Solution
- Step 1: Write the proportion equation
101,684.23 : 140,328.93 = 56,363.19 : x - Step 2: Convert to fraction form
101,684.23/140,328.93 = 56,363.19/x - Step 3: Cross multiply
101,684.23x = 140,328.93 × 56,363.19 - Step 4: Simplify right side
101,684.23x = 7,909,386,144.09 - Step 5: Solve for x
x = 7,909,386,144.09/101,684.23 - Step 6: Final answer
x = 77,783.80
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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.