Finding the Fourth Proportional to 93,570.12, 129,149.96 and 53,307.81
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Solution
The fourth proportional to 93,570.12, 129,149.96 and 53,307.81 is: 73,577.99
Step by Step Solution
- Step 1: Write the proportion equation
93,570.12 : 129,149.96 = 53,307.81 : x - Step 2: Convert to fraction form
93,570.12/129,149.96 = 53,307.81/x - Step 3: Cross multiply
93,570.12x = 129,149.96 × 53,307.81 - Step 4: Simplify right side
93,570.12x = 6,884,701,262.65 - Step 5: Solve for x
x = 6,884,701,262.65/93,570.12 - Step 6: Final answer
x = 73,577.99
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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.