Finding the Fourth Proportional to 127,312.08, 175,691.91 and 69,950.48
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Solution
The fourth proportional to 127,312.08, 175,691.91 and 69,950.48 is: 96,532.34
Step by Step Solution
- Step 1: Write the proportion equation
127,312.08 : 175,691.91 = 69,950.48 : x - Step 2: Convert to fraction form
127,312.08/175,691.91 = 69,950.48/x - Step 3: Cross multiply
127,312.08x = 175,691.91 × 69,950.48 - Step 4: Simplify right side
127,312.08x = 12,289,732,208.40 - Step 5: Solve for x
x = 12,289,732,208.40/127,312.08 - Step 6: Final answer
x = 96,532.34
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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.