Finding the Fourth Proportional to 84,929.99, 127,339.16 and 47,493.95
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Solution
The fourth proportional to 84,929.99, 127,339.16 and 47,493.95 is: 71,209.70
Step by Step Solution
- Step 1: Write the proportion equation
84,929.99 : 127,339.16 = 47,493.95 : x - Step 2: Convert to fraction form
84,929.99/127,339.16 = 47,493.95/x - Step 3: Cross multiply
84,929.99x = 127,339.16 × 47,493.95 - Step 4: Simplify right side
84,929.99x = 6,047,838,823.92 - Step 5: Solve for x
x = 6,047,838,823.92/84,929.99 - Step 6: Final answer
x = 71,209.70
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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.