Finding the Fourth Proportional to 89,746.74, 134,636.12 and 29,778.81
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Solution
The fourth proportional to 89,746.74, 134,636.12 and 29,778.81 is: 44,673.53
Step by Step Solution
- Step 1: Write the proportion equation
89,746.74 : 134,636.12 = 29,778.81 : x - Step 2: Convert to fraction form
89,746.74/134,636.12 = 29,778.81/x - Step 3: Cross multiply
89,746.74x = 134,636.12 × 29,778.81 - Step 4: Simplify right side
89,746.74x = 4,009,303,436.62 - Step 5: Solve for x
x = 4,009,303,436.62/89,746.74 - Step 6: Final answer
x = 44,673.53
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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.