Finding the Fourth Proportional to 86,394.68, 119,224.14 and 48,681.08
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Solution
The fourth proportional to 86,394.68, 119,224.14 and 48,681.08 is: 67,179.60
Step by Step Solution
- Step 1: Write the proportion equation
86,394.68 : 119,224.14 = 48,681.08 : x - Step 2: Convert to fraction form
86,394.68/119,224.14 = 48,681.08/x - Step 3: Cross multiply
86,394.68x = 119,224.14 × 48,681.08 - Step 4: Simplify right side
86,394.68x = 5,803,959,897.27 - Step 5: Solve for x
x = 5,803,959,897.27/86,394.68 - Step 6: Final answer
x = 67,179.60
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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.