Finding the Fourth Proportional to 94,058.98, 129,802.99 and 51,621.46
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Solution
The fourth proportional to 94,058.98, 129,802.99 and 51,621.46 is: 71,238.49
Step by Step Solution
- Step 1: Write the proportion equation
94,058.98 : 129,802.99 = 51,621.46 : x - Step 2: Convert to fraction form
94,058.98/129,802.99 = 51,621.46/x - Step 3: Cross multiply
94,058.98x = 129,802.99 × 51,621.46 - Step 4: Simplify right side
94,058.98x = 6,700,619,856.17 - Step 5: Solve for x
x = 6,700,619,856.17/94,058.98 - Step 6: Final answer
x = 71,238.49
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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.