Finding the Fourth Proportional to 83,347.29, 114,881.63 and 62,118.81
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Solution
The fourth proportional to 83,347.29, 114,881.63 and 62,118.81 is: 85,621.38
Step by Step Solution
- Step 1: Write the proportion equation
83,347.29 : 114,881.63 = 62,118.81 : x - Step 2: Convert to fraction form
83,347.29/114,881.63 = 62,118.81/x - Step 3: Cross multiply
83,347.29x = 114,881.63 × 62,118.81 - Step 4: Simplify right side
83,347.29x = 7,136,309,835.87 - Step 5: Solve for x
x = 7,136,309,835.87/83,347.29 - Step 6: Final answer
x = 85,621.38
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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.