Finding the Fourth Proportional to 107,698.55, 148,628.93 and 59,954.99
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Solution
The fourth proportional to 107,698.55, 148,628.93 and 59,954.99 is: 82,740.63
Step by Step Solution
- Step 1: Write the proportion equation
107,698.55 : 148,628.93 = 59,954.99 : x - Step 2: Convert to fraction form
107,698.55/148,628.93 = 59,954.99/x - Step 3: Cross multiply
107,698.55x = 148,628.93 × 59,954.99 - Step 4: Simplify right side
107,698.55x = 8,911,044,968.94 - Step 5: Solve for x
x = 8,911,044,968.94/107,698.55 - Step 6: Final answer
x = 82,740.63
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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.