Finding the Fourth Proportional to 89,929.08, 134,953.74 and 37,338.48
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Solution
The fourth proportional to 89,929.08, 134,953.74 and 37,338.48 is: 56,032.68
Step by Step Solution
- Step 1: Write the proportion equation
89,929.08 : 134,953.74 = 37,338.48 : x - Step 2: Convert to fraction form
89,929.08/134,953.74 = 37,338.48/x - Step 3: Cross multiply
89,929.08x = 134,953.74 × 37,338.48 - Step 4: Simplify right side
89,929.08x = 5,038,967,521.92 - Step 5: Solve for x
x = 5,038,967,521.92/89,929.08 - Step 6: Final answer
x = 56,032.68
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1.5x scale
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.