Finding the Fourth Proportional to 75,106.08, 103,645.44 and 45,298.08
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Solution
The fourth proportional to 75,106.08, 103,645.44 and 45,298.08 is: 62,510.78
Step by Step Solution
- Step 1: Write the proportion equation
75,106.08 : 103,645.44 = 45,298.08 : x - Step 2: Convert to fraction form
75,106.08/103,645.44 = 45,298.08/x - Step 3: Cross multiply
75,106.08x = 103,645.44 × 45,298.08 - Step 4: Simplify right side
75,106.08x = 4,694,939,432.76 - Step 5: Solve for x
x = 4,694,939,432.76/75,106.08 - Step 6: Final answer
x = 62,510.78
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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.