Finding the Fourth Proportional to 88,041.04, 121,495.74 and 47,753.94
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Solution
The fourth proportional to 88,041.04, 121,495.74 and 47,753.94 is: 65,899.95
Step by Step Solution
- Step 1: Write the proportion equation
88,041.04 : 121,495.74 = 47,753.94 : x - Step 2: Convert to fraction form
88,041.04/121,495.74 = 47,753.94/x - Step 3: Cross multiply
88,041.04x = 121,495.74 × 47,753.94 - Step 4: Simplify right side
88,041.04x = 5,801,900,278.22 - Step 5: Solve for x
x = 5,801,900,278.22/88,041.04 - Step 6: Final answer
x = 65,899.95
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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.