Finding the Fourth Proportional to 94,297.74, 130,073.76 and 56,043.87
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Solution
The fourth proportional to 94,297.74, 130,073.76 and 56,043.87 is: 77,306.59
Step by Step Solution
- Step 1: Write the proportion equation
94,297.74 : 130,073.76 = 56,043.87 : x - Step 2: Convert to fraction form
94,297.74/130,073.76 = 56,043.87/x - Step 3: Cross multiply
94,297.74x = 130,073.76 × 56,043.87 - Step 4: Simplify right side
94,297.74x = 7,289,836,895.85 - Step 5: Solve for x
x = 7,289,836,895.85/94,297.74 - Step 6: Final answer
x = 77,306.59
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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.