Finding the Fourth Proportional to 98,257.02, 147,262.17 and 42,030.99
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Solution
The fourth proportional to 98,257.02, 147,262.17 and 42,030.99 is: 62,993.72
Step by Step Solution
- Step 1: Write the proportion equation
98,257.02 : 147,262.17 = 42,030.99 : x - Step 2: Convert to fraction form
98,257.02/147,262.17 = 42,030.99/x - Step 3: Cross multiply
98,257.02x = 147,262.17 × 42,030.99 - Step 4: Simplify right side
98,257.02x = 6,189,574,794.65 - Step 5: Solve for x
x = 6,189,574,794.65/98,257.02 - Step 6: Final answer
x = 62,993.72
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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.