Finding the Fourth Proportional to 94,987.03, 131,024.99 and 62,721.95
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Solution
The fourth proportional to 94,987.03, 131,024.99 and 62,721.95 is: 86,518.57
Step by Step Solution
- Step 1: Write the proportion equation
94,987.03 : 131,024.99 = 62,721.95 : x - Step 2: Convert to fraction form
94,987.03/131,024.99 = 62,721.95/x - Step 3: Cross multiply
94,987.03x = 131,024.99 × 62,721.95 - Step 4: Simplify right side
94,987.03x = 8,218,142,373.21 - Step 5: Solve for x
x = 8,218,142,373.21/94,987.03 - Step 6: Final answer
x = 86,518.57
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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.