Finding the Fourth Proportional to 93,719.46, 129,291.77 and 54,937.63
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Solution
The fourth proportional to 93,719.46, 129,291.77 and 54,937.63 is: 75,789.85
Step by Step Solution
- Step 1: Write the proportion equation
93,719.46 : 129,291.77 = 54,937.63 : x - Step 2: Convert to fraction form
93,719.46/129,291.77 = 54,937.63/x - Step 3: Cross multiply
93,719.46x = 129,291.77 × 54,937.63 - Step 4: Simplify right side
93,719.46x = 7,102,983,422.31 - Step 5: Solve for x
x = 7,102,983,422.31/93,719.46 - Step 6: Final answer
x = 75,789.85
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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.