Finding the Fourth Proportional to 94,459.74, 130,276.95 and 68,937.42
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Solution
The fourth proportional to 94,459.74, 130,276.95 and 68,937.42 is: 95,077.09
Step by Step Solution
- Step 1: Write the proportion equation
94,459.74 : 130,276.95 = 68,937.42 : x - Step 2: Convert to fraction form
94,459.74/130,276.95 = 68,937.42/x - Step 3: Cross multiply
94,459.74x = 130,276.95 × 68,937.42 - Step 4: Simplify right side
94,459.74x = 8,980,956,818.47 - Step 5: Solve for x
x = 8,980,956,818.47/94,459.74 - Step 6: Final answer
x = 95,077.09
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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.