Finding the Fourth Proportional to 94,724.73, 130,710.81 and 52,280.53
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Solution
The fourth proportional to 94,724.73, 130,710.81 and 52,280.53 is: 72,141.99
Step by Step Solution
- Step 1: Write the proportion equation
94,724.73 : 130,710.81 = 52,280.53 : x - Step 2: Convert to fraction form
94,724.73/130,710.81 = 52,280.53/x - Step 3: Cross multiply
94,724.73x = 130,710.81 × 52,280.53 - Step 4: Simplify right side
94,724.73x = 6,833,630,423.53 - Step 5: Solve for x
x = 6,833,630,423.53/94,724.73 - Step 6: Final answer
x = 72,141.99
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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.