Finding the Fourth Proportional to 105,192.48, 145,159.68 and 59,881.50
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Solution
The fourth proportional to 105,192.48, 145,159.68 and 59,881.50 is: 82,633.09
Step by Step Solution
- Step 1: Write the proportion equation
105,192.48 : 145,159.68 = 59,881.50 : x - Step 2: Convert to fraction form
105,192.48/145,159.68 = 59,881.50/x - Step 3: Cross multiply
105,192.48x = 145,159.68 × 59,881.50 - Step 4: Simplify right side
105,192.48x = 8,692,379,377.92 - Step 5: Solve for x
x = 8,692,379,377.92/105,192.48 - Step 6: Final answer
x = 82,633.09
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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.