Finding the Fourth Proportional to 75,301.60, 112,955.36 and 22,711.08
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Solution
The fourth proportional to 75,301.60, 112,955.36 and 22,711.08 is: 34,067.52
Step by Step Solution
- Step 1: Write the proportion equation
75,301.60 : 112,955.36 = 22,711.08 : x - Step 2: Convert to fraction form
75,301.60/112,955.36 = 22,711.08/x - Step 3: Cross multiply
75,301.60x = 112,955.36 × 22,711.08 - Step 4: Simplify right side
75,301.60x = 2,565,338,655.17 - Step 5: Solve for x
x = 2,565,338,655.17/75,301.60 - Step 6: Final answer
x = 34,067.52
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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.