Finding the Fourth Proportional to 124,489.06, 171,794.11 and 70,774.09
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Solution
The fourth proportional to 124,489.06, 171,794.11 and 70,774.09 is: 97,667.79
Step by Step Solution
- Step 1: Write the proportion equation
124,489.06 : 171,794.11 = 70,774.09 : x - Step 2: Convert to fraction form
124,489.06/171,794.11 = 70,774.09/x - Step 3: Cross multiply
124,489.06x = 171,794.11 × 70,774.09 - Step 4: Simplify right side
124,489.06x = 12,158,571,802.61 - Step 5: Solve for x
x = 12,158,571,802.61/124,489.06 - Step 6: Final answer
x = 97,667.79
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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.