Finding the Fourth Proportional to 88,001.08, 121,439.55 and 47,713.81
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Solution
The fourth proportional to 88,001.08, 121,439.55 and 47,713.81 is: 65,844.00
Step by Step Solution
- Step 1: Write the proportion equation
88,001.08 : 121,439.55 = 47,713.81 : x - Step 2: Convert to fraction form
88,001.08/121,439.55 = 47,713.81/x - Step 3: Cross multiply
88,001.08x = 121,439.55 × 47,713.81 - Step 4: Simplify right side
88,001.08x = 5,794,343,718.21 - Step 5: Solve for x
x = 5,794,343,718.21/88,001.08 - Step 6: Final answer
x = 65,844.00
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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.