Finding the Fourth Proportional to 99,038.58, 136,682.58 and 56,588.88
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Solution
The fourth proportional to 99,038.58, 136,682.58 and 56,588.88 is: 78,097.99
Step by Step Solution
- Step 1: Write the proportion equation
99,038.58 : 136,682.58 = 56,588.88 : x - Step 2: Convert to fraction form
99,038.58/136,682.58 = 56,588.88/x - Step 3: Cross multiply
99,038.58x = 136,682.58 × 56,588.88 - Step 4: Simplify right side
99,038.58x = 7,734,714,117.71 - Step 5: Solve for x
x = 7,734,714,117.71/99,038.58 - Step 6: Final answer
x = 78,097.99
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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.