Finding the Fourth Proportional to 93,777.64, 129,413.36 and 51,338.90
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Solution
The fourth proportional to 93,777.64, 129,413.36 and 51,338.90 is: 70,847.80
Step by Step Solution
- Step 1: Write the proportion equation
93,777.64 : 129,413.36 = 51,338.90 : x - Step 2: Convert to fraction form
93,777.64/129,413.36 = 51,338.90/x - Step 3: Cross multiply
93,777.64x = 129,413.36 × 51,338.90 - Step 4: Simplify right side
93,777.64x = 6,643,939,547.70 - Step 5: Solve for x
x = 6,643,939,547.70/93,777.64 - Step 6: Final answer
x = 70,847.80
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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.