Finding the Fourth Proportional to 93,811.36, 129,447.66 and 53,522.80
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Solution
The fourth proportional to 93,811.36, 129,447.66 and 53,522.80 is: 73,854.61
Step by Step Solution
- Step 1: Write the proportion equation
93,811.36 : 129,447.66 = 53,522.80 : x - Step 2: Convert to fraction form
93,811.36/129,447.66 = 53,522.80/x - Step 3: Cross multiply
93,811.36x = 129,447.66 × 53,522.80 - Step 4: Simplify right side
93,811.36x = 6,928,401,216.65 - Step 5: Solve for x
x = 6,928,401,216.65/93,811.36 - Step 6: Final answer
x = 73,854.61
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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.