Finding the Fourth Proportional to 94,746.69, 130,747.05 and 57,013.65
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Solution
The fourth proportional to 94,746.69, 130,747.05 and 57,013.65 is: 78,676.80
Step by Step Solution
- Step 1: Write the proportion equation
94,746.69 : 130,747.05 = 57,013.65 : x - Step 2: Convert to fraction form
94,746.69/130,747.05 = 57,013.65/x - Step 3: Cross multiply
94,746.69x = 130,747.05 × 57,013.65 - Step 4: Simplify right side
94,746.69x = 7,454,366,547.23 - Step 5: Solve for x
x = 7,454,366,547.23/94,746.69 - Step 6: Final answer
x = 78,676.80
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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.