Finding the Fourth Proportional to 94,155.62, 129,970.14 and 62,367.62
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Solution
The fourth proportional to 94,155.62, 129,970.14 and 62,367.62 is: 86,090.75
Step by Step Solution
- Step 1: Write the proportion equation
94,155.62 : 129,970.14 = 62,367.62 : x - Step 2: Convert to fraction form
94,155.62/129,970.14 = 62,367.62/x - Step 3: Cross multiply
94,155.62x = 129,970.14 × 62,367.62 - Step 4: Simplify right side
94,155.62x = 8,105,928,302.87 - Step 5: Solve for x
x = 8,105,928,302.87/94,155.62 - Step 6: Final answer
x = 86,090.75
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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.