Finding the Fourth Proportional to 94,911.95, 130,973.36 and 52,467.75
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Solution
The fourth proportional to 94,911.95, 130,973.36 and 52,467.75 is: 72,402.65
Step by Step Solution
- Step 1: Write the proportion equation
94,911.95 : 130,973.36 = 52,467.75 : x - Step 2: Convert to fraction form
94,911.95/130,973.36 = 52,467.75/x - Step 3: Cross multiply
94,911.95x = 130,973.36 × 52,467.75 - Step 4: Simplify right side
94,911.95x = 6,871,877,246.80 - Step 5: Solve for x
x = 6,871,877,246.80/94,911.95 - Step 6: Final answer
x = 72,402.65
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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.