Finding the Fourth Proportional to 75,077.01, 103,603.14 and 44,878.95
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Solution
The fourth proportional to 75,077.01, 103,603.14 and 44,878.95 is: 61,931.08
Step by Step Solution
- Step 1: Write the proportion equation
75,077.01 : 103,603.14 = 44,878.95 : x - Step 2: Convert to fraction form
75,077.01/103,603.14 = 44,878.95/x - Step 3: Cross multiply
75,077.01x = 103,603.14 × 44,878.95 - Step 4: Simplify right side
75,077.01x = 4,649,600,139.90 - Step 5: Solve for x
x = 4,649,600,139.90/75,077.01 - Step 6: Final answer
x = 61,931.08
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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.