Finding the Fourth Proportional to 86,228.08, 118,985.12 and 48,501.52
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Solution
The fourth proportional to 86,228.08, 118,985.12 and 48,501.52 is: 66,926.68
Step by Step Solution
- Step 1: Write the proportion equation
86,228.08 : 118,985.12 = 48,501.52 : x - Step 2: Convert to fraction form
86,228.08/118,985.12 = 48,501.52/x - Step 3: Cross multiply
86,228.08x = 118,985.12 × 48,501.52 - Step 4: Simplify right side
86,228.08x = 5,770,959,177.38 - Step 5: Solve for x
x = 5,770,959,177.38/86,228.08 - Step 6: Final answer
x = 66,926.68
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1.5x scale
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.