Finding the Fourth Proportional to 93,238.64, 139,816.96 and 26,663.63
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Solution
The fourth proportional to 93,238.64, 139,816.96 and 26,663.63 is: 39,983.72
Step by Step Solution
- Step 1: Write the proportion equation
93,238.64 : 139,816.96 = 26,663.63 : x - Step 2: Convert to fraction form
93,238.64/139,816.96 = 26,663.63/x - Step 3: Cross multiply
93,238.64x = 139,816.96 × 26,663.63 - Step 4: Simplify right side
93,238.64x = 3,728,027,784.88 - Step 5: Solve for x
x = 3,728,027,784.88/93,238.64 - Step 6: Final answer
x = 39,983.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.