Finding the Fourth Proportional to 106,675.99, 147,210.08 and 58,928.31
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Solution
The fourth proportional to 106,675.99, 147,210.08 and 58,928.31 is: 81,319.53
Step by Step Solution
- Step 1: Write the proportion equation
106,675.99 : 147,210.08 = 58,928.31 : x - Step 2: Convert to fraction form
106,675.99/147,210.08 = 58,928.31/x - Step 3: Cross multiply
106,675.99x = 147,210.08 × 58,928.31 - Step 4: Simplify right side
106,675.99x = 8,674,840,934.72 - Step 5: Solve for x
x = 8,674,840,934.72/106,675.99 - Step 6: Final answer
x = 81,319.53
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1.5x scale
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.