Finding the Fourth Proportional to 93,286.84, 128,735.88 and 53,000.67
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Solution
The fourth proportional to 93,286.84, 128,735.88 and 53,000.67 is: 73,140.95
Step by Step Solution
- Step 1: Write the proportion equation
93,286.84 : 128,735.88 = 53,000.67 : x - Step 2: Convert to fraction form
93,286.84/128,735.88 = 53,000.67/x - Step 3: Cross multiply
93,286.84x = 128,735.88 × 53,000.67 - Step 4: Simplify right side
93,286.84x = 6,823,087,893.04 - Step 5: Solve for x
x = 6,823,087,893.04/93,286.84 - Step 6: Final answer
x = 73,140.95
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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.