Finding the Fourth Proportional to 75,271.68, 103,873.36 and 46,583.71
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Solution
The fourth proportional to 75,271.68, 103,873.36 and 46,583.71 is: 64,284.55
Step by Step Solution
- Step 1: Write the proportion equation
75,271.68 : 103,873.36 = 46,583.71 : x - Step 2: Convert to fraction form
75,271.68/103,873.36 = 46,583.71/x - Step 3: Cross multiply
75,271.68x = 103,873.36 × 46,583.71 - Step 4: Simplify right side
75,271.68x = 4,838,806,321.18 - Step 5: Solve for x
x = 4,838,806,321.18/75,271.68 - Step 6: Final answer
x = 64,284.55
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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.