Finding the Fourth Proportional to 92,615.91, 139,110.03 and 55,248.99
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Solution
The fourth proportional to 92,615.91, 139,110.03 and 55,248.99 is: 82,984.54
Step by Step Solution
- Step 1: Write the proportion equation
92,615.91 : 139,110.03 = 55,248.99 : x - Step 2: Convert to fraction form
92,615.91/139,110.03 = 55,248.99/x - Step 3: Cross multiply
92,615.91x = 139,110.03 × 55,248.99 - Step 4: Simplify right side
92,615.91x = 7,685,688,656.37 - Step 5: Solve for x
x = 7,685,688,656.37/92,615.91 - Step 6: Final answer
x = 82,984.54
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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.