Finding the Fourth Proportional to 77,655.24, 116,335.14 and 40,159.14
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Solution
The fourth proportional to 77,655.24, 116,335.14 and 40,159.14 is: 60,162.32
Step by Step Solution
- Step 1: Write the proportion equation
77,655.24 : 116,335.14 = 40,159.14 : x - Step 2: Convert to fraction form
77,655.24/116,335.14 = 40,159.14/x - Step 3: Cross multiply
77,655.24x = 116,335.14 × 40,159.14 - Step 4: Simplify right side
77,655.24x = 4,671,919,174.18 - Step 5: Solve for x
x = 4,671,919,174.18/77,655.24 - Step 6: Final answer
x = 60,162.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.