Finding the Fourth Proportional to 97,938.99, 135,186.57 and 55,525.77
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Solution
The fourth proportional to 97,938.99, 135,186.57 and 55,525.77 is: 76,643.00
Step by Step Solution
- Step 1: Write the proportion equation
97,938.99 : 135,186.57 = 55,525.77 : x - Step 2: Convert to fraction form
97,938.99/135,186.57 = 55,525.77/x - Step 3: Cross multiply
97,938.99x = 135,186.57 × 55,525.77 - Step 4: Simplify right side
97,938.99x = 7,506,338,392.91 - Step 5: Solve for x
x = 7,506,338,392.91/97,938.99 - Step 6: Final answer
x = 76,643.00
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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.