Finding the Fourth Proportional to 96,917.16, 133,726.07 and 56,623.14
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Solution
The fourth proportional to 96,917.16, 133,726.07 and 56,623.14 is: 78,128.48
Step by Step Solution
- Step 1: Write the proportion equation
96,917.16 : 133,726.07 = 56,623.14 : x - Step 2: Convert to fraction form
96,917.16/133,726.07 = 56,623.14/x - Step 3: Cross multiply
96,917.16x = 133,726.07 × 56,623.14 - Step 4: Simplify right side
96,917.16x = 7,571,989,983.26 - Step 5: Solve for x
x = 7,571,989,983.26/96,917.16 - Step 6: Final answer
x = 78,128.48
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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.