Finding the Fourth Proportional to 98,106.95, 135,413.47 and 57,847.53
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Solution
The fourth proportional to 98,106.95, 135,413.47 and 57,847.53 is: 79,844.85
Step by Step Solution
- Step 1: Write the proportion equation
98,106.95 : 135,413.47 = 57,847.53 : x - Step 2: Convert to fraction form
98,106.95/135,413.47 = 57,847.53/x - Step 3: Cross multiply
98,106.95x = 135,413.47 × 57,847.53 - Step 4: Simplify right side
98,106.95x = 7,833,334,768.23 - Step 5: Solve for x
x = 7,833,334,768.23/98,106.95 - Step 6: Final answer
x = 79,844.85
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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.