Finding the Fourth Proportional to 70,886.13, 106,339.98 and 24,128.07
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Solution
The fourth proportional to 70,886.13, 106,339.98 and 24,128.07 is: 36,195.78
Step by Step Solution
- Step 1: Write the proportion equation
70,886.13 : 106,339.98 = 24,128.07 : x - Step 2: Convert to fraction form
70,886.13/106,339.98 = 24,128.07/x - Step 3: Cross multiply
70,886.13x = 106,339.98 × 24,128.07 - Step 4: Simplify right side
70,886.13x = 2,565,778,481.24 - Step 5: Solve for x
x = 2,565,778,481.24/70,886.13 - Step 6: Final answer
x = 36,195.78
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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.