Finding the Fourth Proportional to 101,407.76, 139,914.12 and 60,567.08
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Solution
The fourth proportional to 101,407.76, 139,914.12 and 60,567.08 is: 83,565.50
Step by Step Solution
- Step 1: Write the proportion equation
101,407.76 : 139,914.12 = 60,567.08 : x - Step 2: Convert to fraction form
101,407.76/139,914.12 = 60,567.08/x - Step 3: Cross multiply
101,407.76x = 139,914.12 × 60,567.08 - Step 4: Simplify right side
101,407.76x = 8,474,189,699.17 - Step 5: Solve for x
x = 8,474,189,699.17/101,407.76 - Step 6: Final answer
x = 83,565.50
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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.