Finding the Fourth Proportional to 81,567.04, 122,345.09 and 22,397.75
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Solution
The fourth proportional to 81,567.04, 122,345.09 and 22,397.75 is: 33,595.12
Step by Step Solution
- Step 1: Write the proportion equation
81,567.04 : 122,345.09 = 22,397.75 : x - Step 2: Convert to fraction form
81,567.04/122,345.09 = 22,397.75/x - Step 3: Cross multiply
81,567.04x = 122,345.09 × 22,397.75 - Step 4: Simplify right side
81,567.04x = 2,740,254,627.56 - Step 5: Solve for x
x = 2,740,254,627.56/81,567.04 - Step 6: Final answer
x = 33,595.12
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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.