Finding the Fourth Proportional to 93,245.19, 128,679.84 and 50,803.74
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Solution
The fourth proportional to 93,245.19, 128,679.84 and 50,803.74 is: 70,109.97
Step by Step Solution
- Step 1: Write the proportion equation
93,245.19 : 128,679.84 = 50,803.74 : x - Step 2: Convert to fraction form
93,245.19/128,679.84 = 50,803.74/x - Step 3: Cross multiply
93,245.19x = 128,679.84 × 50,803.74 - Step 4: Simplify right side
93,245.19x = 6,537,417,134.60 - Step 5: Solve for x
x = 6,537,417,134.60/93,245.19 - Step 6: Final answer
x = 70,109.97
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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.