Finding the Fourth Proportional to 93,691.08, 140,535.71 and 27,130.65
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Solution
The fourth proportional to 93,691.08, 140,535.71 and 27,130.65 is: 40,695.71
Step by Step Solution
- Step 1: Write the proportion equation
93,691.08 : 140,535.71 = 27,130.65 : x - Step 2: Convert to fraction form
93,691.08/140,535.71 = 27,130.65/x - Step 3: Cross multiply
93,691.08x = 140,535.71 × 27,130.65 - Step 4: Simplify right side
93,691.08x = 3,812,824,599.59 - Step 5: Solve for x
x = 3,812,824,599.59/93,691.08 - Step 6: Final answer
x = 40,695.71
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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.