Finding the Fourth Proportional to 92,798.97, 128,117.58 and 61,022.67
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Solution
The fourth proportional to 92,798.97, 128,117.58 and 61,022.67 is: 84,247.45
Step by Step Solution
- Step 1: Write the proportion equation
92,798.97 : 128,117.58 = 61,022.67 : x - Step 2: Convert to fraction form
92,798.97/128,117.58 = 61,022.67/x - Step 3: Cross multiply
92,798.97x = 128,117.58 × 61,022.67 - Step 4: Simplify right side
92,798.97x = 7,818,076,805.54 - Step 5: Solve for x
x = 7,818,076,805.54/92,798.97 - Step 6: Final answer
x = 84,247.45
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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.