Finding the Fourth Proportional to 97,354.84, 134,351.43 and 57,097.65
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Solution
The fourth proportional to 97,354.84, 134,351.43 and 57,097.65 is: 78,795.78
Step by Step Solution
- Step 1: Write the proportion equation
97,354.84 : 134,351.43 = 57,097.65 : x - Step 2: Convert to fraction form
97,354.84/134,351.43 = 57,097.65/x - Step 3: Cross multiply
97,354.84x = 134,351.43 × 57,097.65 - Step 4: Simplify right side
97,354.84x = 7,671,150,927.14 - Step 5: Solve for x
x = 7,671,150,927.14/97,354.84 - Step 6: Final answer
x = 78,795.78
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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.