Finding the Fourth Proportional to 85,555.49, 128,332.76 and 23,225.99
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Solution
The fourth proportional to 85,555.49, 128,332.76 and 23,225.99 is: 34,838.85
Step by Step Solution
- Step 1: Write the proportion equation
85,555.49 : 128,332.76 = 23,225.99 : x - Step 2: Convert to fraction form
85,555.49/128,332.76 = 23,225.99/x - Step 3: Cross multiply
85,555.49x = 128,332.76 × 23,225.99 - Step 4: Simplify right side
85,555.49x = 2,980,654,642.64 - Step 5: Solve for x
x = 2,980,654,642.64/85,555.49 - Step 6: Final answer
x = 34,838.85
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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.