Finding the Fourth Proportional to 70,292.09, 105,439.35 and 25,895.99
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Solution
The fourth proportional to 70,292.09, 105,439.35 and 25,895.99 is: 38,844.43
Step by Step Solution
- Step 1: Write the proportion equation
70,292.09 : 105,439.35 = 25,895.99 : x - Step 2: Convert to fraction form
70,292.09/105,439.35 = 25,895.99/x - Step 3: Cross multiply
70,292.09x = 105,439.35 × 25,895.99 - Step 4: Simplify right side
70,292.09x = 2,730,455,826.01 - Step 5: Solve for x
x = 2,730,455,826.01/70,292.09 - Step 6: Final answer
x = 38,844.43
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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.