Finding the Fourth Proportional to 93,752.76, 129,334.08 and 57,929.88
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Solution
The fourth proportional to 93,752.76, 129,334.08 and 57,929.88 is: 79,915.60
Step by Step Solution
- Step 1: Write the proportion equation
93,752.76 : 129,334.08 = 57,929.88 : x - Step 2: Convert to fraction form
93,752.76/129,334.08 = 57,929.88/x - Step 3: Cross multiply
93,752.76x = 129,334.08 × 57,929.88 - Step 4: Simplify right side
93,752.76x = 7,492,307,734.31 - Step 5: Solve for x
x = 7,492,307,734.31/93,752.76 - Step 6: Final answer
x = 79,915.60
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1.5x scale
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.