Finding the Fourth Proportional to 97,939.99, 135,187.95 and 55,526.77
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Solution
The fourth proportional to 97,939.99, 135,187.95 and 55,526.77 is: 76,644.38
Step by Step Solution
- Step 1: Write the proportion equation
97,939.99 : 135,187.95 = 55,526.77 : x - Step 2: Convert to fraction form
97,939.99/135,187.95 = 55,526.77/x - Step 3: Cross multiply
97,939.99x = 135,187.95 × 55,526.77 - Step 4: Simplify right side
97,939.99x = 7,506,550,206.42 - Step 5: Solve for x
x = 7,506,550,206.42/97,939.99 - Step 6: Final answer
x = 76,644.38
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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.