Finding the Fourth Proportional to 93,776.76, 129,415.52 and 53,497.08
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Solution
The fourth proportional to 93,776.76, 129,415.52 and 53,497.08 is: 73,828.02
Step by Step Solution
- Step 1: Write the proportion equation
93,776.76 : 129,415.52 = 53,497.08 : x - Step 2: Convert to fraction form
93,776.76/129,415.52 = 53,497.08/x - Step 3: Cross multiply
93,776.76x = 129,415.52 × 53,497.08 - Step 4: Simplify right side
93,776.76x = 6,923,352,426.68 - Step 5: Solve for x
x = 6,923,352,426.68/93,776.76 - Step 6: Final answer
x = 73,828.02
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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.