Finding the Fourth Proportional to 75,130.14, 103,681.21 and 41,140.06
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Solution
The fourth proportional to 75,130.14, 103,681.21 and 41,140.06 is: 56,774.17
Step by Step Solution
- Step 1: Write the proportion equation
75,130.14 : 103,681.21 = 41,140.06 : x - Step 2: Convert to fraction form
75,130.14/103,681.21 = 41,140.06/x - Step 3: Cross multiply
75,130.14x = 103,681.21 × 41,140.06 - Step 4: Simplify right side
75,130.14x = 4,265,451,200.27 - Step 5: Solve for x
x = 4,265,451,200.27/75,130.14 - Step 6: Final answer
x = 56,774.17
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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.