Finding the Fourth Proportional to 94,457.48, 130,386.68 and 62,637.08
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Solution
The fourth proportional to 94,457.48, 130,386.68 and 62,637.08 is: 86,462.62
Step by Step Solution
- Step 1: Write the proportion equation
94,457.48 : 130,386.68 = 62,637.08 : x - Step 2: Convert to fraction form
94,457.48/130,386.68 = 62,637.08/x - Step 3: Cross multiply
94,457.48x = 130,386.68 × 62,637.08 - Step 4: Simplify right side
94,457.48x = 8,167,040,906.09 - Step 5: Solve for x
x = 8,167,040,906.09/94,457.48 - Step 6: Final answer
x = 86,462.62
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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.