Finding the Fourth Proportional to 65,966.04, 91,028.70 and 40,810.68
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Solution
The fourth proportional to 65,966.04, 91,028.70 and 40,810.68 is: 56,315.99
Step by Step Solution
- Step 1: Write the proportion equation
65,966.04 : 91,028.70 = 40,810.68 : x - Step 2: Convert to fraction form
65,966.04/91,028.70 = 40,810.68/x - Step 3: Cross multiply
65,966.04x = 91,028.70 × 40,810.68 - Step 4: Simplify right side
65,966.04x = 3,714,943,146.52 - Step 5: Solve for x
x = 3,714,943,146.52/65,966.04 - Step 6: Final answer
x = 56,315.99
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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.