Finding the Fourth Proportional to 94,782.98, 130,861.96 and 58,987.46
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Solution
The fourth proportional to 94,782.98, 130,861.96 and 58,987.46 is: 81,440.94
Step by Step Solution
- Step 1: Write the proportion equation
94,782.98 : 130,861.96 = 58,987.46 : x - Step 2: Convert to fraction form
94,782.98/130,861.96 = 58,987.46/x - Step 3: Cross multiply
94,782.98x = 130,861.96 × 58,987.46 - Step 4: Simplify right side
94,782.98x = 7,719,214,810.71 - Step 5: Solve for x
x = 7,719,214,810.71/94,782.98 - Step 6: Final answer
x = 81,440.94
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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.