Finding the Fourth Proportional to 97,964.61, 135,064.34 and 63,447.95
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Solution
The fourth proportional to 97,964.61, 135,064.34 and 63,447.95 is: 87,476.02
Step by Step Solution
- Step 1: Write the proportion equation
97,964.61 : 135,064.34 = 63,447.95 : x - Step 2: Convert to fraction form
97,964.61/135,064.34 = 63,447.95/x - Step 3: Cross multiply
97,964.61x = 135,064.34 × 63,447.95 - Step 4: Simplify right side
97,964.61x = 8,569,554,621.34 - Step 5: Solve for x
x = 8,569,554,621.34/97,964.61 - Step 6: Final answer
x = 87,476.02
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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.