Finding the Fourth Proportional to 70,267.50, 105,508.14 and 61,377.75
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Solution
The fourth proportional to 70,267.50, 105,508.14 and 61,377.75 is: 92,159.99
Step by Step Solution
- Step 1: Write the proportion equation
70,267.50 : 105,508.14 = 61,377.75 : x - Step 2: Convert to fraction form
70,267.50/105,508.14 = 61,377.75/x - Step 3: Cross multiply
70,267.50x = 105,508.14 × 61,377.75 - Step 4: Simplify right side
70,267.50x = 6,475,852,009.72 - Step 5: Solve for x
x = 6,475,852,009.72/70,267.50 - Step 6: Final answer
x = 92,159.99
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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.