Finding the Fourth Proportional to 93,828.41, 129,478.38 and 51,378.74
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Solution
The fourth proportional to 93,828.41, 129,478.38 and 51,378.74 is: 70,900.02
Step by Step Solution
- Step 1: Write the proportion equation
93,828.41 : 129,478.38 = 51,378.74 : x - Step 2: Convert to fraction form
93,828.41/129,478.38 = 51,378.74/x - Step 3: Cross multiply
93,828.41x = 129,478.38 × 51,378.74 - Step 4: Simplify right side
93,828.41x = 6,652,435,374.25 - Step 5: Solve for x
x = 6,652,435,374.25/93,828.41 - Step 6: Final answer
x = 70,900.02
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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.