Finding the Fourth Proportional to 93,915.24, 129,602.30 and 51,473.68
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Solution
The fourth proportional to 93,915.24, 129,602.30 and 51,473.68 is: 71,033.28
Step by Step Solution
- Step 1: Write the proportion equation
93,915.24 : 129,602.30 = 51,473.68 : x - Step 2: Convert to fraction form
93,915.24/129,602.30 = 51,473.68/x - Step 3: Cross multiply
93,915.24x = 129,602.30 × 51,473.68 - Step 4: Simplify right side
93,915.24x = 6,671,107,317.46 - Step 5: Solve for x
x = 6,671,107,317.46/93,915.24 - Step 6: Final answer
x = 71,033.28
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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.