Finding the Fourth Proportional to 89,895.70, 134,881.35 and 48,294.10
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Solution
The fourth proportional to 89,895.70, 134,881.35 and 48,294.10 is: 72,461.46
Step by Step Solution
- Step 1: Write the proportion equation
89,895.70 : 134,881.35 = 48,294.10 : x - Step 2: Convert to fraction form
89,895.70/134,881.35 = 48,294.10/x - Step 3: Cross multiply
89,895.70x = 134,881.35 × 48,294.10 - Step 4: Simplify right side
89,895.70x = 6,513,973,405.04 - Step 5: Solve for x
x = 6,513,973,405.04/89,895.70 - Step 6: Final answer
x = 72,461.46
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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.