Finding the Fourth Proportional to 94,890.13, 130,948.37 and 51,869.80
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Solution
The fourth proportional to 94,890.13, 130,948.37 and 51,869.80 is: 71,580.31
Step by Step Solution
- Step 1: Write the proportion equation
94,890.13 : 130,948.37 = 51,869.80 : x - Step 2: Convert to fraction form
94,890.13/130,948.37 = 51,869.80/x - Step 3: Cross multiply
94,890.13x = 130,948.37 × 51,869.80 - Step 4: Simplify right side
94,890.13x = 6,792,264,848.14 - Step 5: Solve for x
x = 6,792,264,848.14/94,890.13 - Step 6: Final answer
x = 71,580.31
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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.