Finding the Fourth Proportional to 126,567.41, 174,666.53 and 69,980.81
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Solution
The fourth proportional to 126,567.41, 174,666.53 and 69,980.81 is: 96,575.45
Step by Step Solution
- Step 1: Write the proportion equation
126,567.41 : 174,666.53 = 69,980.81 : x - Step 2: Convert to fraction form
126,567.41/174,666.53 = 69,980.81/x - Step 3: Cross multiply
126,567.41x = 174,666.53 × 69,980.81 - Step 4: Simplify right side
126,567.41x = 12,223,304,899.39 - Step 5: Solve for x
x = 12,223,304,899.39/126,567.41 - Step 6: Final answer
x = 96,575.45
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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.