Finding the Fourth Proportional to 93,469.26, 128,983.08 and 53,179.26
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Solution
The fourth proportional to 93,469.26, 128,983.08 and 53,179.26 is: 73,384.82
Step by Step Solution
- Step 1: Write the proportion equation
93,469.26 : 128,983.08 = 53,179.26 : x - Step 2: Convert to fraction form
93,469.26/128,983.08 = 53,179.26/x - Step 3: Cross multiply
93,469.26x = 128,983.08 × 53,179.26 - Step 4: Simplify right side
93,469.26x = 6,859,224,746.92 - Step 5: Solve for x
x = 6,859,224,746.92/93,469.26 - Step 6: Final answer
x = 73,384.82
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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.