Finding the Fourth Proportional to 93,726.28, 129,344.36 and 51,284.80
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Solution
The fourth proportional to 93,726.28, 129,344.36 and 51,284.80 is: 70,774.17
Step by Step Solution
- Step 1: Write the proportion equation
93,726.28 : 129,344.36 = 51,284.80 : x - Step 2: Convert to fraction form
93,726.28/129,344.36 = 51,284.80/x - Step 3: Cross multiply
93,726.28x = 129,344.36 × 51,284.80 - Step 4: Simplify right side
93,726.28x = 6,633,399,633.73 - Step 5: Solve for x
x = 6,633,399,633.73/93,726.28 - Step 6: Final answer
x = 70,774.17
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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.