Finding the Fourth Proportional to 88,897.41, 133,345.98 and 40,860.63
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Solution
The fourth proportional to 88,897.41, 133,345.98 and 40,860.63 is: 61,290.88
Step by Step Solution
- Step 1: Write the proportion equation
88,897.41 : 133,345.98 = 40,860.63 : x - Step 2: Convert to fraction form
88,897.41/133,345.98 = 40,860.63/x - Step 3: Cross multiply
88,897.41x = 133,345.98 × 40,860.63 - Step 4: Simplify right side
88,897.41x = 5,448,600,750.77 - Step 5: Solve for x
x = 5,448,600,750.77/88,897.41 - Step 6: Final answer
x = 61,290.88
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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.