Finding the Fourth Proportional to 90,559.99, 135,860.13 and 29,773.00
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Solution
The fourth proportional to 90,559.99, 135,860.13 and 29,773.00 is: 44,666.12
Step by Step Solution
- Step 1: Write the proportion equation
90,559.99 : 135,860.13 = 29,773.00 : x - Step 2: Convert to fraction form
90,559.99/135,860.13 = 29,773.00/x - Step 3: Cross multiply
90,559.99x = 135,860.13 × 29,773.00 - Step 4: Simplify right side
90,559.99x = 4,044,963,820.32 - Step 5: Solve for x
x = 4,044,963,820.32/90,559.99 - Step 6: Final answer
x = 44,666.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.