Finding the Fourth Proportional to 104,574.71, 144,312.99 and 56,827.96
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Solution
The fourth proportional to 104,574.71, 144,312.99 and 56,827.96 is: 78,422.53
Step by Step Solution
- Step 1: Write the proportion equation
104,574.71 : 144,312.99 = 56,827.96 : x - Step 2: Convert to fraction form
104,574.71/144,312.99 = 56,827.96/x - Step 3: Cross multiply
104,574.71x = 144,312.99 × 56,827.96 - Step 4: Simplify right side
104,574.71x = 8,201,012,823.20 - Step 5: Solve for x
x = 8,201,012,823.20/104,574.71 - Step 6: Final answer
x = 78,422.53
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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.