Finding the Fourth Proportional to 94,679.04, 130,719.36 and 73,129.60
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Solution
The fourth proportional to 94,679.04, 130,719.36 and 73,129.60 is: 100,966.96
Step by Step Solution
- Step 1: Write the proportion equation
94,679.04 : 130,719.36 = 73,129.60 : x - Step 2: Convert to fraction form
94,679.04/130,719.36 = 73,129.60/x - Step 3: Cross multiply
94,679.04x = 130,719.36 × 73,129.60 - Step 4: Simplify right side
94,679.04x = 9,559,454,509.06 - Step 5: Solve for x
x = 9,559,454,509.06/94,679.04 - Step 6: Final answer
x = 100,966.96
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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.