Finding the Fourth Proportional to 83,002.04, 124,628.48 and 66,312.53
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Solution
The fourth proportional to 83,002.04, 124,628.48 and 66,312.53 is: 99,568.99
Step by Step Solution
- Step 1: Write the proportion equation
83,002.04 : 124,628.48 = 66,312.53 : x - Step 2: Convert to fraction form
83,002.04/124,628.48 = 66,312.53/x - Step 3: Cross multiply
83,002.04x = 124,628.48 × 66,312.53 - Step 4: Simplify right side
83,002.04x = 8,264,429,487.29 - Step 5: Solve for x
x = 8,264,429,487.29/83,002.04 - Step 6: Final answer
x = 99,568.99
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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.