Finding the Fourth Proportional to 94,248.10, 130,062.37 and 53,975.18
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Solution
The fourth proportional to 94,248.10, 130,062.37 and 53,975.18 is: 74,485.75
Step by Step Solution
- Step 1: Write the proportion equation
94,248.10 : 130,062.37 = 53,975.18 : x - Step 2: Convert to fraction form
94,248.10/130,062.37 = 53,975.18/x - Step 3: Cross multiply
94,248.10x = 130,062.37 × 53,975.18 - Step 4: Simplify right side
94,248.10x = 7,020,140,157.13 - Step 5: Solve for x
x = 7,020,140,157.13/94,248.10 - Step 6: Final answer
x = 74,485.75
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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.