Finding the Fourth Proportional to 94,660.09, 130,607.63 and 57,856.99
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Solution
The fourth proportional to 94,660.09, 130,607.63 and 57,856.99 is: 79,828.41
Step by Step Solution
- Step 1: Write the proportion equation
94,660.09 : 130,607.63 = 57,856.99 : x - Step 2: Convert to fraction form
94,660.09/130,607.63 = 57,856.99/x - Step 3: Cross multiply
94,660.09x = 130,607.63 × 57,856.99 - Step 4: Simplify right side
94,660.09x = 7,556,564,053.55 - Step 5: Solve for x
x = 7,556,564,053.55/94,660.09 - Step 6: Final answer
x = 79,828.41
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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.