Finding the Fourth Proportional to 93,729.04, 129,346.08 and 51,287.62
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Solution
The fourth proportional to 93,729.04, 129,346.08 and 51,287.62 is: 70,776.92
Step by Step Solution
- Step 1: Write the proportion equation
93,729.04 : 129,346.08 = 51,287.62 : x - Step 2: Convert to fraction form
93,729.04/129,346.08 = 51,287.62/x - Step 3: Cross multiply
93,729.04x = 129,346.08 × 51,287.62 - Step 4: Simplify right side
93,729.04x = 6,633,852,599.53 - Step 5: Solve for x
x = 6,633,852,599.53/93,729.04 - Step 6: Final answer
x = 70,776.92
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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.