Finding the Fourth Proportional to 73,962.98, 102,070.92 and 45,282.08
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Solution
The fourth proportional to 73,962.98, 102,070.92 and 45,282.08 is: 62,490.50
Step by Step Solution
- Step 1: Write the proportion equation
73,962.98 : 102,070.92 = 45,282.08 : x - Step 2: Convert to fraction form
73,962.98/102,070.92 = 45,282.08/x - Step 3: Cross multiply
73,962.98x = 102,070.92 × 45,282.08 - Step 4: Simplify right side
73,962.98x = 4,621,983,565.11 - Step 5: Solve for x
x = 4,621,983,565.11/73,962.98 - Step 6: Final answer
x = 62,490.50
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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.