Finding the Fourth Proportional to 79,655.68, 119,465.70 and 23,483.80
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Solution
The fourth proportional to 79,655.68, 119,465.70 and 23,483.80 is: 35,220.45
Step by Step Solution
- Step 1: Write the proportion equation
79,655.68 : 119,465.70 = 23,483.80 : x - Step 2: Convert to fraction form
79,655.68/119,465.70 = 23,483.80/x - Step 3: Cross multiply
79,655.68x = 119,465.70 × 23,483.80 - Step 4: Simplify right side
79,655.68x = 2,805,508,605.66 - Step 5: Solve for x
x = 2,805,508,605.66/79,655.68 - Step 6: Final answer
x = 35,220.45
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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.