Finding the Fourth Proportional to 104,637.08, 144,405.08 and 56,889.41
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Solution
The fourth proportional to 104,637.08, 144,405.08 and 56,889.41 is: 78,510.59
Step by Step Solution
- Step 1: Write the proportion equation
104,637.08 : 144,405.08 = 56,889.41 : x - Step 2: Convert to fraction form
104,637.08/144,405.08 = 56,889.41/x - Step 3: Cross multiply
104,637.08x = 144,405.08 × 56,889.41 - Step 4: Simplify right side
104,637.08x = 8,215,119,009.07 - Step 5: Solve for x
x = 8,215,119,009.07/104,637.08 - Step 6: Final answer
x = 78,510.59
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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.