Finding the Fourth Proportional to 93,769.08, 140,653.20 and 38,365.08
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Solution
The fourth proportional to 93,769.08, 140,653.20 and 38,365.08 is: 57,547.45
Step by Step Solution
- Step 1: Write the proportion equation
93,769.08 : 140,653.20 = 38,365.08 : x - Step 2: Convert to fraction form
93,769.08/140,653.20 = 38,365.08/x - Step 3: Cross multiply
93,769.08x = 140,653.20 × 38,365.08 - Step 4: Simplify right side
93,769.08x = 5,396,171,270.26 - Step 5: Solve for x
x = 5,396,171,270.26/93,769.08 - Step 6: Final answer
x = 57,547.45
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1.5x scale
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.