Finding the Fourth Proportional to 93,807.99, 129,455.08 and 50,787.49
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Solution
The fourth proportional to 93,807.99, 129,455.08 and 50,787.49 is: 70,086.77
Step by Step Solution
- Step 1: Write the proportion equation
93,807.99 : 129,455.08 = 50,787.49 : x - Step 2: Convert to fraction form
93,807.99/129,455.08 = 50,787.49/x - Step 3: Cross multiply
93,807.99x = 129,455.08 × 50,787.49 - Step 4: Simplify right side
93,807.99x = 6,574,698,580.95 - Step 5: Solve for x
x = 6,574,698,580.95/93,807.99 - Step 6: Final answer
x = 70,086.77
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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.