Finding the Fourth Proportional to 69,132.36, 103,612.26 and 29,643.66
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Solution
The fourth proportional to 69,132.36, 103,612.26 and 29,643.66 is: 44,428.49
Step by Step Solution
- Step 1: Write the proportion equation
69,132.36 : 103,612.26 = 29,643.66 : x - Step 2: Convert to fraction form
69,132.36/103,612.26 = 29,643.66/x - Step 3: Cross multiply
69,132.36x = 103,612.26 × 29,643.66 - Step 4: Simplify right side
69,132.36x = 3,071,446,607.27 - Step 5: Solve for x
x = 3,071,446,607.27/69,132.36 - Step 6: Final answer
x = 44,428.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.