Finding the Fourth Proportional to 112,875.08, 155,767.83 and 62,574.08
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Solution
The fourth proportional to 112,875.08, 155,767.83 and 62,574.08 is: 86,352.35
Step by Step Solution
- Step 1: Write the proportion equation
112,875.08 : 155,767.83 = 62,574.08 : x - Step 2: Convert to fraction form
112,875.08/155,767.83 = 62,574.08/x - Step 3: Cross multiply
112,875.08x = 155,767.83 × 62,574.08 - Step 4: Simplify right side
112,875.08x = 9,747,028,655.85 - Step 5: Solve for x
x = 9,747,028,655.85/112,875.08 - Step 6: Final answer
x = 86,352.35
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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.