Finding the Fourth Proportional to 74,417.93, 102,637.35 and 48,950.45
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Solution
The fourth proportional to 74,417.93, 102,637.35 and 48,950.45 is: 67,512.55
Step by Step Solution
- Step 1: Write the proportion equation
74,417.93 : 102,637.35 = 48,950.45 : x - Step 2: Convert to fraction form
74,417.93/102,637.35 = 48,950.45/x - Step 3: Cross multiply
74,417.93x = 102,637.35 × 48,950.45 - Step 4: Simplify right side
74,417.93x = 5,024,144,469.31 - Step 5: Solve for x
x = 5,024,144,469.31/74,417.93 - Step 6: Final answer
x = 67,512.55
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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.