Finding the Fourth Proportional to 124,527.16, 171,852.30 and 70,817.08
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Solution
The fourth proportional to 124,527.16, 171,852.30 and 70,817.08 is: 97,730.31
Step by Step Solution
- Step 1: Write the proportion equation
124,527.16 : 171,852.30 = 70,817.08 : x - Step 2: Convert to fraction form
124,527.16/171,852.30 = 70,817.08/x - Step 3: Cross multiply
124,527.16x = 171,852.30 × 70,817.08 - Step 4: Simplify right side
124,527.16x = 12,170,078,077.28 - Step 5: Solve for x
x = 12,170,078,077.28/124,527.16 - Step 6: Final answer
x = 97,730.31
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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.