Finding the Fourth Proportional to 93,656.92, 129,246.60 and 51,219.40
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Solution
The fourth proportional to 93,656.92, 129,246.60 and 51,219.40 is: 70,682.80
Step by Step Solution
- Step 1: Write the proportion equation
93,656.92 : 129,246.60 = 51,219.40 : x - Step 2: Convert to fraction form
93,656.92/129,246.60 = 51,219.40/x - Step 3: Cross multiply
93,656.92x = 129,246.60 × 51,219.40 - Step 4: Simplify right side
93,656.92x = 6,619,933,304.04 - Step 5: Solve for x
x = 6,619,933,304.04/93,656.92 - Step 6: Final answer
x = 70,682.80
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1.5x scale
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.